Home / 91,192.77-136,756.35-38,605.95

Finding the Fourth Proportional to 91,192.77, 136,756.35 and 38,605.95

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Solution

The fourth proportional to 91,192.77, 136,756.35 and 38,605.95 is: 57,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.77 : 136,756.35 = 38,605.95 : x
  2. Step 2: Convert to fraction form
    91,192.77/136,756.35 = 38,605.95/x
  3. Step 3: Cross multiply
    91,192.77x = 136,756.35 × 38,605.95
  4. Step 4: Simplify right side
    91,192.77x = 5,279,608,810.28
  5. Step 5: Solve for x
    x = 5,279,608,810.28/91,192.77
  6. Step 6: Final answer
    x = 57,895.04

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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.