Home / 90,092.25-124,332.03-51,857.55

Finding the Fourth Proportional to 90,092.25, 124,332.03 and 51,857.55

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Solution

The fourth proportional to 90,092.25, 124,332.03 and 51,857.55 is: 71,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,092.25 : 124,332.03 = 51,857.55 : x
  2. Step 2: Convert to fraction form
    90,092.25/124,332.03 = 51,857.55/x
  3. Step 3: Cross multiply
    90,092.25x = 124,332.03 × 51,857.55
  4. Step 4: Simplify right side
    90,092.25x = 6,447,554,462.33
  5. Step 5: Solve for x
    x = 6,447,554,462.33/90,092.25
  6. Step 6: Final answer
    x = 71,566.14

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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.