Home / 99,425.01-137,203.76-54,101.94

Finding the Fourth Proportional to 99,425.01, 137,203.76 and 54,101.94

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Solution

The fourth proportional to 99,425.01, 137,203.76 and 54,101.94 is: 74,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,425.01 : 137,203.76 = 54,101.94 : x
  2. Step 2: Convert to fraction form
    99,425.01/137,203.76 = 54,101.94/x
  3. Step 3: Cross multiply
    99,425.01x = 137,203.76 × 54,101.94
  4. Step 4: Simplify right side
    99,425.01x = 7,422,989,320.78
  5. Step 5: Solve for x
    x = 7,422,989,320.78/99,425.01
  6. Step 6: Final answer
    x = 74,659.18

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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.