Home / 77,868.92-116,830.47-24,569.12

Finding the Fourth Proportional to 77,868.92, 116,830.47 and 24,569.12

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Solution

The fourth proportional to 77,868.92, 116,830.47 and 24,569.12 is: 36,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,868.92 : 116,830.47 = 24,569.12 : x
  2. Step 2: Convert to fraction form
    77,868.92/116,830.47 = 24,569.12/x
  3. Step 3: Cross multiply
    77,868.92x = 116,830.47 × 24,569.12
  4. Step 4: Simplify right side
    77,868.92x = 2,870,421,252.93
  5. Step 5: Solve for x
    x = 2,870,421,252.93/77,868.92
  6. Step 6: Final answer
    x = 36,862.22

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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.