Home / 99,452.09-137,246.81-54,133.02

Finding the Fourth Proportional to 99,452.09, 137,246.81 and 54,133.02

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Solution

The fourth proportional to 99,452.09, 137,246.81 and 54,133.02 is: 74,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.09 : 137,246.81 = 54,133.02 : x
  2. Step 2: Convert to fraction form
    99,452.09/137,246.81 = 54,133.02/x
  3. Step 3: Cross multiply
    99,452.09x = 137,246.81 × 54,133.02
  4. Step 4: Simplify right side
    99,452.09x = 7,429,584,040.00
  5. Step 5: Solve for x
    x = 7,429,584,040.00/99,452.09
  6. Step 6: Final answer
    x = 74,705.16

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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.