Home / 121,937.77-182,828.61-58,631.80

Finding the Fourth Proportional to 121,937.77, 182,828.61 and 58,631.80

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Solution

The fourth proportional to 121,937.77, 182,828.61 and 58,631.80 is: 87,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937.77 : 182,828.61 = 58,631.80 : x
  2. Step 2: Convert to fraction form
    121,937.77/182,828.61 = 58,631.80/x
  3. Step 3: Cross multiply
    121,937.77x = 182,828.61 × 58,631.80
  4. Step 4: Simplify right side
    121,937.77x = 10,719,570,381.53
  5. Step 5: Solve for x
    x = 10,719,570,381.53/121,937.77
  6. Step 6: Final answer
    x = 87,910.17

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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.