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Finding the Fourth Proportional to 62,415.20, 93,622.80 and 59,207.60

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Solution

The fourth proportional to 62,415.20, 93,622.80 and 59,207.60 is: 88,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415.20 : 93,622.80 = 59,207.60 : x
  2. Step 2: Convert to fraction form
    62,415.20/93,622.80 = 59,207.60/x
  3. Step 3: Cross multiply
    62,415.20x = 93,622.80 × 59,207.60
  4. Step 4: Simplify right side
    62,415.20x = 5,543,181,293.28
  5. Step 5: Solve for x
    x = 5,543,181,293.28/62,415.20
  6. Step 6: Final answer
    x = 88,811.40

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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.