Home / 99,446.16-137,233.47-54,124.29

Finding the Fourth Proportional to 99,446.16, 137,233.47 and 54,124.29

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Solution

The fourth proportional to 99,446.16, 137,233.47 and 54,124.29 is: 74,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446.16 : 137,233.47 = 54,124.29 : x
  2. Step 2: Convert to fraction form
    99,446.16/137,233.47 = 54,124.29/x
  3. Step 3: Cross multiply
    99,446.16x = 137,233.47 × 54,124.29
  4. Step 4: Simplify right side
    99,446.16x = 7,427,664,127.99
  5. Step 5: Solve for x
    x = 7,427,664,127.99/99,446.16
  6. Step 6: Final answer
    x = 74,690.31

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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.