Home / 57,714.90-86,499.45-42,114.30

Finding the Fourth Proportional to 57,714.90, 86,499.45 and 42,114.30

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Solution

The fourth proportional to 57,714.90, 86,499.45 and 42,114.30 is: 63,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.90 : 86,499.45 = 42,114.30 : x
  2. Step 2: Convert to fraction form
    57,714.90/86,499.45 = 42,114.30/x
  3. Step 3: Cross multiply
    57,714.90x = 86,499.45 × 42,114.30
  4. Step 4: Simplify right side
    57,714.90x = 3,642,863,787.14
  5. Step 5: Solve for x
    x = 3,642,863,787.14/57,714.90
  6. Step 6: Final answer
    x = 63,118.26

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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.