Home / 99,854.24-137,799.95-54,533.55

Finding the Fourth Proportional to 99,854.24, 137,799.95 and 54,533.55

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Solution

The fourth proportional to 99,854.24, 137,799.95 and 54,533.55 is: 75,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.24 : 137,799.95 = 54,533.55 : x
  2. Step 2: Convert to fraction form
    99,854.24/137,799.95 = 54,533.55/x
  3. Step 3: Cross multiply
    99,854.24x = 137,799.95 × 54,533.55
  4. Step 4: Simplify right side
    99,854.24x = 7,514,720,190.65
  5. Step 5: Solve for x
    x = 7,514,720,190.65/99,854.24
  6. Step 6: Final answer
    x = 75,256.90

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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.