Home / 89,127.12-122,949.42-60,437.08

Finding the Fourth Proportional to 89,127.12, 122,949.42 and 60,437.08

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Solution

The fourth proportional to 89,127.12, 122,949.42 and 60,437.08 is: 83,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.12 : 122,949.42 = 60,437.08 : x
  2. Step 2: Convert to fraction form
    89,127.12/122,949.42 = 60,437.08/x
  3. Step 3: Cross multiply
    89,127.12x = 122,949.42 × 60,437.08
  4. Step 4: Simplify right side
    89,127.12x = 7,430,703,398.48
  5. Step 5: Solve for x
    x = 7,430,703,398.48/89,127.12
  6. Step 6: Final answer
    x = 83,371.97

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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.