Home / 91,127.04-125,726.88-52,896.96

Finding the Fourth Proportional to 91,127.04, 125,726.88 and 52,896.96

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Solution

The fourth proportional to 91,127.04, 125,726.88 and 52,896.96 is: 72,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,127.04 : 125,726.88 = 52,896.96 : x
  2. Step 2: Convert to fraction form
    91,127.04/125,726.88 = 52,896.96/x
  3. Step 3: Cross multiply
    91,127.04x = 125,726.88 × 52,896.96
  4. Step 4: Simplify right side
    91,127.04x = 6,650,569,742.28
  5. Step 5: Solve for x
    x = 6,650,569,742.28/91,127.04
  6. Step 6: Final answer
    x = 72,981.30

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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.