Home / 51,587.40-77,381.12-34,053.12

Finding the Fourth Proportional to 51,587.40, 77,381.12 and 34,053.12

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Solution

The fourth proportional to 51,587.40, 77,381.12 and 34,053.12 is: 51,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.40 : 77,381.12 = 34,053.12 : x
  2. Step 2: Convert to fraction form
    51,587.40/77,381.12 = 34,053.12/x
  3. Step 3: Cross multiply
    51,587.40x = 77,381.12 × 34,053.12
  4. Step 4: Simplify right side
    51,587.40x = 2,635,068,565.09
  5. Step 5: Solve for x
    x = 2,635,068,565.09/51,587.40
  6. Step 6: Final answer
    x = 51,079.69

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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.