Home / 63,705.72-87,952.26-42,213.60

Finding the Fourth Proportional to 63,705.72, 87,952.26 and 42,213.60

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Solution

The fourth proportional to 63,705.72, 87,952.26 and 42,213.60 is: 58,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705.72 : 87,952.26 = 42,213.60 : x
  2. Step 2: Convert to fraction form
    63,705.72/87,952.26 = 42,213.60/x
  3. Step 3: Cross multiply
    63,705.72x = 87,952.26 × 42,213.60
  4. Step 4: Simplify right side
    63,705.72x = 3,712,781,522.74
  5. Step 5: Solve for x
    x = 3,712,781,522.74/63,705.72
  6. Step 6: Final answer
    x = 58,280.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.