Home / 56,581.68-78,079.92-32,706.08

Finding the Fourth Proportional to 56,581.68, 78,079.92 and 32,706.08

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Solution

The fourth proportional to 56,581.68, 78,079.92 and 32,706.08 is: 45,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.68 : 78,079.92 = 32,706.08 : x
  2. Step 2: Convert to fraction form
    56,581.68/78,079.92 = 32,706.08/x
  3. Step 3: Cross multiply
    56,581.68x = 78,079.92 × 32,706.08
  4. Step 4: Simplify right side
    56,581.68x = 2,553,688,109.91
  5. Step 5: Solve for x
    x = 2,553,688,109.91/56,581.68
  6. Step 6: Final answer
    x = 45,132.77

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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.