Home / 62,121.65-93,153.92-19,993.95

Finding the Fourth Proportional to 62,121.65, 93,153.92 and 19,993.95

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Solution

The fourth proportional to 62,121.65, 93,153.92 and 19,993.95 is: 29,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.65 : 93,153.92 = 19,993.95 : x
  2. Step 2: Convert to fraction form
    62,121.65/93,153.92 = 19,993.95/x
  3. Step 3: Cross multiply
    62,121.65x = 93,153.92 × 19,993.95
  4. Step 4: Simplify right side
    62,121.65x = 1,862,514,718.81
  5. Step 5: Solve for x
    x = 1,862,514,718.81/62,121.65
  6. Step 6: Final answer
    x = 29,981.74

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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.