Home / 91,583.84-126,377.20-51,839.84

Finding the Fourth Proportional to 91,583.84, 126,377.20 and 51,839.84

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Solution

The fourth proportional to 91,583.84, 126,377.20 and 51,839.84 is: 71,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.84 : 126,377.20 = 51,839.84 : x
  2. Step 2: Convert to fraction form
    91,583.84/126,377.20 = 51,839.84/x
  3. Step 3: Cross multiply
    91,583.84x = 126,377.20 × 51,839.84
  4. Step 4: Simplify right side
    91,583.84x = 6,551,373,827.65
  5. Step 5: Solve for x
    x = 6,551,373,827.65/91,583.84
  6. Step 6: Final answer
    x = 71,534.17

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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.