Home / 72,428.49-99,951.30-44,134.11

Finding the Fourth Proportional to 72,428.49, 99,951.30 and 44,134.11

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Solution

The fourth proportional to 72,428.49, 99,951.30 and 44,134.11 is: 60,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,428.49 : 99,951.30 = 44,134.11 : x
  2. Step 2: Convert to fraction form
    72,428.49/99,951.30 = 44,134.11/x
  3. Step 3: Cross multiply
    72,428.49x = 99,951.30 × 44,134.11
  4. Step 4: Simplify right side
    72,428.49x = 4,411,261,668.84
  5. Step 5: Solve for x
    x = 4,411,261,668.84/72,428.49
  6. Step 6: Final answer
    x = 60,905.06

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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.