Home / 44,543.08-61,479.30-31,123

Finding the Fourth Proportional to 44,543.08, 61,479.30 and 31,123

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Solution

The fourth proportional to 44,543.08, 61,479.30 and 31,123 is: 42,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,543.08 : 61,479.30 = 31,123 : x
  2. Step 2: Convert to fraction form
    44,543.08/61,479.30 = 31,123/x
  3. Step 3: Cross multiply
    44,543.08x = 61,479.30 × 31,123
  4. Step 4: Simplify right side
    44,543.08x = 1,913,420,253.90
  5. Step 5: Solve for x
    x = 1,913,420,253.90/44,543.08
  6. Step 6: Final answer
    x = 42,956.62

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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.