Home / 56,475.52-77,872.40-36,030.31

Finding the Fourth Proportional to 56,475.52, 77,872.40 and 36,030.31

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Solution

The fourth proportional to 56,475.52, 77,872.40 and 36,030.31 is: 49,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,475.52 : 77,872.40 = 36,030.31 : x
  2. Step 2: Convert to fraction form
    56,475.52/77,872.40 = 36,030.31/x
  3. Step 3: Cross multiply
    56,475.52x = 77,872.40 × 36,030.31
  4. Step 4: Simplify right side
    56,475.52x = 2,805,766,472.73
  5. Step 5: Solve for x
    x = 2,805,766,472.73/56,475.52
  6. Step 6: Final answer
    x = 49,681.11

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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.