Home / 99,591.47-137,434.44-54,269.84

Finding the Fourth Proportional to 99,591.47, 137,434.44 and 54,269.84

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Solution

The fourth proportional to 99,591.47, 137,434.44 and 54,269.84 is: 74,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591.47 : 137,434.44 = 54,269.84 : x
  2. Step 2: Convert to fraction form
    99,591.47/137,434.44 = 54,269.84/x
  3. Step 3: Cross multiply
    99,591.47x = 137,434.44 × 54,269.84
  4. Step 4: Simplify right side
    99,591.47x = 7,458,545,069.29
  5. Step 5: Solve for x
    x = 7,458,545,069.29/99,591.47
  6. Step 6: Final answer
    x = 74,891.40

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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.