Home / 75,426.30-113,212.35-45,901.80

Finding the Fourth Proportional to 75,426.30, 113,212.35 and 45,901.80

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Solution

The fourth proportional to 75,426.30, 113,212.35 and 45,901.80 is: 68,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,426.30 : 113,212.35 = 45,901.80 : x
  2. Step 2: Convert to fraction form
    75,426.30/113,212.35 = 45,901.80/x
  3. Step 3: Cross multiply
    75,426.30x = 113,212.35 × 45,901.80
  4. Step 4: Simplify right side
    75,426.30x = 5,196,650,647.23
  5. Step 5: Solve for x
    x = 5,196,650,647.23/75,426.30
  6. Step 6: Final answer
    x = 68,897.06

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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.