Home / 69,960.98-96,545.04-38,130.14

Finding the Fourth Proportional to 69,960.98, 96,545.04 and 38,130.14

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Solution

The fourth proportional to 69,960.98, 96,545.04 and 38,130.14 is: 52,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.98 : 96,545.04 = 38,130.14 : x
  2. Step 2: Convert to fraction form
    69,960.98/96,545.04 = 38,130.14/x
  3. Step 3: Cross multiply
    69,960.98x = 96,545.04 × 38,130.14
  4. Step 4: Simplify right side
    69,960.98x = 3,681,275,891.51
  5. Step 5: Solve for x
    x = 3,681,275,891.51/69,960.98
  6. Step 6: Final answer
    x = 52,618.99

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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.