Home / 99,547.85-137,366.07-61,301.27

Finding the Fourth Proportional to 99,547.85, 137,366.07 and 61,301.27

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Solution

The fourth proportional to 99,547.85, 137,366.07 and 61,301.27 is: 84,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547.85 : 137,366.07 = 61,301.27 : x
  2. Step 2: Convert to fraction form
    99,547.85/137,366.07 = 61,301.27/x
  3. Step 3: Cross multiply
    99,547.85x = 137,366.07 × 61,301.27
  4. Step 4: Simplify right side
    99,547.85x = 8,420,714,545.91
  5. Step 5: Solve for x
    x = 8,420,714,545.91/99,547.85
  6. Step 6: Final answer
    x = 84,589.62

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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.