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Finding the Fourth Proportional to 60,801.60, 91,202.40 and 38,712.90

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Solution

The fourth proportional to 60,801.60, 91,202.40 and 38,712.90 is: 58,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,801.60 : 91,202.40 = 38,712.90 : x
  2. Step 2: Convert to fraction form
    60,801.60/91,202.40 = 38,712.90/x
  3. Step 3: Cross multiply
    60,801.60x = 91,202.40 × 38,712.90
  4. Step 4: Simplify right side
    60,801.60x = 3,530,709,390.96
  5. Step 5: Solve for x
    x = 3,530,709,390.96/60,801.60
  6. Step 6: Final answer
    x = 58,069.35

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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.