Home / 73,125.04-100,913-39,591.04

Finding the Fourth Proportional to 73,125.04, 100,913 and 39,591.04

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Solution

The fourth proportional to 73,125.04, 100,913 and 39,591.04 is: 54,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.04 : 100,913 = 39,591.04 : x
  2. Step 2: Convert to fraction form
    73,125.04/100,913 = 39,591.04/x
  3. Step 3: Cross multiply
    73,125.04x = 100,913 × 39,591.04
  4. Step 4: Simplify right side
    73,125.04x = 3,995,250,619.52
  5. Step 5: Solve for x
    x = 3,995,250,619.52/73,125.04
  6. Step 6: Final answer
    x = 54,635.88

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1.5x scale

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.