Home / 91,542.48-137,225.88-29,172.24

Finding the Fourth Proportional to 91,542.48, 137,225.88 and 29,172.24

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Solution

The fourth proportional to 91,542.48, 137,225.88 and 29,172.24 is: 43,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.48 : 137,225.88 = 29,172.24 : x
  2. Step 2: Convert to fraction form
    91,542.48/137,225.88 = 29,172.24/x
  3. Step 3: Cross multiply
    91,542.48x = 137,225.88 × 29,172.24
  4. Step 4: Simplify right side
    91,542.48x = 4,003,186,305.57
  5. Step 5: Solve for x
    x = 4,003,186,305.57/91,542.48
  6. Step 6: Final answer
    x = 43,730.37

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1.5x scale

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.