Home / 73,416.38-101,363.36-56,390.18

Finding the Fourth Proportional to 73,416.38, 101,363.36 and 56,390.18

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Solution

The fourth proportional to 73,416.38, 101,363.36 and 56,390.18 is: 77,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,416.38 : 101,363.36 = 56,390.18 : x
  2. Step 2: Convert to fraction form
    73,416.38/101,363.36 = 56,390.18/x
  3. Step 3: Cross multiply
    73,416.38x = 101,363.36 × 56,390.18
  4. Step 4: Simplify right side
    73,416.38x = 5,715,898,115.80
  5. Step 5: Solve for x
    x = 5,715,898,115.80/73,416.38
  6. Step 6: Final answer
    x = 77,855.90

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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.