Home / 83,573.33-115,330.50-45,332.78

Finding the Fourth Proportional to 83,573.33, 115,330.50 and 45,332.78

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Solution

The fourth proportional to 83,573.33, 115,330.50 and 45,332.78 is: 62,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,573.33 : 115,330.50 = 45,332.78 : x
  2. Step 2: Convert to fraction form
    83,573.33/115,330.50 = 45,332.78/x
  3. Step 3: Cross multiply
    83,573.33x = 115,330.50 × 45,332.78
  4. Step 4: Simplify right side
    83,573.33x = 5,228,251,607.14
  5. Step 5: Solve for x
    x = 5,228,251,607.14/83,573.33
  6. Step 6: Final answer
    x = 62,558.86

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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.