Home / 99,625.14-137,478.71-54,302.18

Finding the Fourth Proportional to 99,625.14, 137,478.71 and 54,302.18

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Solution

The fourth proportional to 99,625.14, 137,478.71 and 54,302.18 is: 74,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625.14 : 137,478.71 = 54,302.18 : x
  2. Step 2: Convert to fraction form
    99,625.14/137,478.71 = 54,302.18/x
  3. Step 3: Cross multiply
    99,625.14x = 137,478.71 × 54,302.18
  4. Step 4: Simplify right side
    99,625.14x = 7,465,392,697.68
  5. Step 5: Solve for x
    x = 7,465,392,697.68/99,625.14
  6. Step 6: Final answer
    x = 74,934.83

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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.