Home / 111,545.47-153,934.59-60,558.19

Finding the Fourth Proportional to 111,545.47, 153,934.59 and 60,558.19

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Solution

The fourth proportional to 111,545.47, 153,934.59 and 60,558.19 is: 83,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,545.47 : 153,934.59 = 60,558.19 : x
  2. Step 2: Convert to fraction form
    111,545.47/153,934.59 = 60,558.19/x
  3. Step 3: Cross multiply
    111,545.47x = 153,934.59 × 60,558.19
  4. Step 4: Simplify right side
    111,545.47x = 9,322,000,148.79
  5. Step 5: Solve for x
    x = 9,322,000,148.79/111,545.47
  6. Step 6: Final answer
    x = 83,571.30

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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.