Home / 70,684.11-97,545.47-38,855.97

Finding the Fourth Proportional to 70,684.11, 97,545.47 and 38,855.97

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Solution

The fourth proportional to 70,684.11, 97,545.47 and 38,855.97 is: 53,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.11 : 97,545.47 = 38,855.97 : x
  2. Step 2: Convert to fraction form
    70,684.11/97,545.47 = 38,855.97/x
  3. Step 3: Cross multiply
    70,684.11x = 97,545.47 × 38,855.97
  4. Step 4: Simplify right side
    70,684.11x = 3,790,223,661.68
  5. Step 5: Solve for x
    x = 3,790,223,661.68/70,684.11
  6. Step 6: Final answer
    x = 53,622.00

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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.