Home / 99,419.94-137,195.35-54,098.10

Finding the Fourth Proportional to 99,419.94, 137,195.35 and 54,098.10

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Solution

The fourth proportional to 99,419.94, 137,195.35 and 54,098.10 is: 74,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,419.94 : 137,195.35 = 54,098.10 : x
  2. Step 2: Convert to fraction form
    99,419.94/137,195.35 = 54,098.10/x
  3. Step 3: Cross multiply
    99,419.94x = 137,195.35 × 54,098.10
  4. Step 4: Simplify right side
    99,419.94x = 7,422,007,763.84
  5. Step 5: Solve for x
    x = 7,422,007,763.84/99,419.94
  6. Step 6: Final answer
    x = 74,653.11

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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.