Home / 63,728.01-87,948.96-42,180.64

Finding the Fourth Proportional to 63,728.01, 87,948.96 and 42,180.64

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Solution

The fourth proportional to 63,728.01, 87,948.96 and 42,180.64 is: 58,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.01 : 87,948.96 = 42,180.64 : x
  2. Step 2: Convert to fraction form
    63,728.01/87,948.96 = 42,180.64/x
  3. Step 3: Cross multiply
    63,728.01x = 87,948.96 × 42,180.64
  4. Step 4: Simplify right side
    63,728.01x = 3,709,743,420.13
  5. Step 5: Solve for x
    x = 3,709,743,420.13/63,728.01
  6. Step 6: Final answer
    x = 58,212.13

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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.