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Finding the Fourth Proportional to 75,866.90, 113,800.35 and 23,276.30

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Solution

The fourth proportional to 75,866.90, 113,800.35 and 23,276.30 is: 34,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,866.90 : 113,800.35 = 23,276.30 : x
  2. Step 2: Convert to fraction form
    75,866.90/113,800.35 = 23,276.30/x
  3. Step 3: Cross multiply
    75,866.90x = 113,800.35 × 23,276.30
  4. Step 4: Simplify right side
    75,866.90x = 2,648,851,086.71
  5. Step 5: Solve for x
    x = 2,648,851,086.71/75,866.90
  6. Step 6: Final answer
    x = 34,914.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.