Home / 56,377.46-84,568.80-31,398.74

Finding the Fourth Proportional to 56,377.46, 84,568.80 and 31,398.74

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Solution

The fourth proportional to 56,377.46, 84,568.80 and 31,398.74 is: 47,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,377.46 : 84,568.80 = 31,398.74 : x
  2. Step 2: Convert to fraction form
    56,377.46/84,568.80 = 31,398.74/x
  3. Step 3: Cross multiply
    56,377.46x = 84,568.80 × 31,398.74
  4. Step 4: Simplify right side
    56,377.46x = 2,655,353,763.31
  5. Step 5: Solve for x
    x = 2,655,353,763.31/56,377.46
  6. Step 6: Final answer
    x = 47,099.56

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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.