Home / 83,328.55-124,909.72-53,767.15

Finding the Fourth Proportional to 83,328.55, 124,909.72 and 53,767.15

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Solution

The fourth proportional to 83,328.55, 124,909.72 and 53,767.15 is: 80,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328.55 : 124,909.72 = 53,767.15 : x
  2. Step 2: Convert to fraction form
    83,328.55/124,909.72 = 53,767.15/x
  3. Step 3: Cross multiply
    83,328.55x = 124,909.72 × 53,767.15
  4. Step 4: Simplify right side
    83,328.55x = 6,716,039,205.01
  5. Step 5: Solve for x
    x = 6,716,039,205.01/83,328.55
  6. Step 6: Final answer
    x = 80,597.10

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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.