Home / 56,780.52-85,061.63-31,744.64

Finding the Fourth Proportional to 56,780.52, 85,061.63 and 31,744.64

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Solution

The fourth proportional to 56,780.52, 85,061.63 and 31,744.64 is: 47,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.52 : 85,061.63 = 31,744.64 : x
  2. Step 2: Convert to fraction form
    56,780.52/85,061.63 = 31,744.64/x
  3. Step 3: Cross multiply
    56,780.52x = 85,061.63 × 31,744.64
  4. Step 4: Simplify right side
    56,780.52x = 2,700,250,935.62
  5. Step 5: Solve for x
    x = 2,700,250,935.62/56,780.52
  6. Step 6: Final answer
    x = 47,555.94

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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.