Home / 69,919.29-96,490.11-38,088.12

Finding the Fourth Proportional to 69,919.29, 96,490.11 and 38,088.12

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Solution

The fourth proportional to 69,919.29, 96,490.11 and 38,088.12 is: 52,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,919.29 : 96,490.11 = 38,088.12 : x
  2. Step 2: Convert to fraction form
    69,919.29/96,490.11 = 38,088.12/x
  3. Step 3: Cross multiply
    69,919.29x = 96,490.11 × 38,088.12
  4. Step 4: Simplify right side
    69,919.29x = 3,675,126,888.49
  5. Step 5: Solve for x
    x = 3,675,126,888.49/69,919.29
  6. Step 6: Final answer
    x = 52,562.42

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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.