Home / 99,532.14-137,351.60-54,209.13

Finding the Fourth Proportional to 99,532.14, 137,351.60 and 54,209.13

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Solution

The fourth proportional to 99,532.14, 137,351.60 and 54,209.13 is: 74,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,532.14 : 137,351.60 = 54,209.13 : x
  2. Step 2: Convert to fraction form
    99,532.14/137,351.60 = 54,209.13/x
  3. Step 3: Cross multiply
    99,532.14x = 137,351.60 × 54,209.13
  4. Step 4: Simplify right side
    99,532.14x = 7,445,710,740.11
  5. Step 5: Solve for x
    x = 7,445,710,740.11/99,532.14
  6. Step 6: Final answer
    x = 74,807.10

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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.