Home / 99,442.00-137,237.29-56,428.88

Finding the Fourth Proportional to 99,442.00, 137,237.29 and 56,428.88

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Solution

The fourth proportional to 99,442.00, 137,237.29 and 56,428.88 is: 77,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.00 : 137,237.29 = 56,428.88 : x
  2. Step 2: Convert to fraction form
    99,442.00/137,237.29 = 56,428.88/x
  3. Step 3: Cross multiply
    99,442.00x = 137,237.29 × 56,428.88
  4. Step 4: Simplify right side
    99,442.00x = 7,744,146,127.66
  5. Step 5: Solve for x
    x = 7,744,146,127.66/99,442.00
  6. Step 6: Final answer
    x = 77,876.01

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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.