Home / 99,324.73-137,073.96-56,307.65

Finding the Fourth Proportional to 99,324.73, 137,073.96 and 56,307.65

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Solution

The fourth proportional to 99,324.73, 137,073.96 and 56,307.65 is: 77,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.73 : 137,073.96 = 56,307.65 : x
  2. Step 2: Convert to fraction form
    99,324.73/137,073.96 = 56,307.65/x
  3. Step 3: Cross multiply
    99,324.73x = 137,073.96 × 56,307.65
  4. Step 4: Simplify right side
    99,324.73x = 7,718,312,282.26
  5. Step 5: Solve for x
    x = 7,718,312,282.26/99,324.73
  6. Step 6: Final answer
    x = 77,707.86

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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.