Home / 57,052.61-78,726.53-31,554.92

Finding the Fourth Proportional to 57,052.61, 78,726.53 and 31,554.92

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Solution

The fourth proportional to 57,052.61, 78,726.53 and 31,554.92 is: 43,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.61 : 78,726.53 = 31,554.92 : x
  2. Step 2: Convert to fraction form
    57,052.61/78,726.53 = 31,554.92/x
  3. Step 3: Cross multiply
    57,052.61x = 78,726.53 × 31,554.92
  4. Step 4: Simplify right side
    57,052.61x = 2,484,209,631.73
  5. Step 5: Solve for x
    x = 2,484,209,631.73/57,052.61
  6. Step 6: Final answer
    x = 43,542.44

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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.