Home / 42,937.04-64,376.40-27,151.76

Finding the Fourth Proportional to 42,937.04, 64,376.40 and 27,151.76

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Solution

The fourth proportional to 42,937.04, 64,376.40 and 27,151.76 is: 40,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.04 : 64,376.40 = 27,151.76 : x
  2. Step 2: Convert to fraction form
    42,937.04/64,376.40 = 27,151.76/x
  3. Step 3: Cross multiply
    42,937.04x = 64,376.40 × 27,151.76
  4. Step 4: Simplify right side
    42,937.04x = 1,747,932,562.46
  5. Step 5: Solve for x
    x = 1,747,932,562.46/42,937.04
  6. Step 6: Final answer
    x = 40,709.20

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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.