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Finding the Fourth Proportional to 60,005.60, 90,008.40 and 57,701.60

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Solution

The fourth proportional to 60,005.60, 90,008.40 and 57,701.60 is: 86,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.60 : 90,008.40 = 57,701.60 : x
  2. Step 2: Convert to fraction form
    60,005.60/90,008.40 = 57,701.60/x
  3. Step 3: Cross multiply
    60,005.60x = 90,008.40 × 57,701.60
  4. Step 4: Simplify right side
    60,005.60x = 5,193,628,693.44
  5. Step 5: Solve for x
    x = 5,193,628,693.44/60,005.60
  6. Step 6: Final answer
    x = 86,552.40

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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.