Home / 91,358.16-137,041.92-29,033.52

Finding the Fourth Proportional to 91,358.16, 137,041.92 and 29,033.52

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Solution

The fourth proportional to 91,358.16, 137,041.92 and 29,033.52 is: 43,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,358.16 : 137,041.92 = 29,033.52 : x
  2. Step 2: Convert to fraction form
    91,358.16/137,041.92 = 29,033.52/x
  3. Step 3: Cross multiply
    91,358.16x = 137,041.92 × 29,033.52
  4. Step 4: Simplify right side
    91,358.16x = 3,978,809,325.16
  5. Step 5: Solve for x
    x = 3,978,809,325.16/91,358.16
  6. Step 6: Final answer
    x = 43,551.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.