Home / 83,619.64-125,424.59-61,153.07

Finding the Fourth Proportional to 83,619.64, 125,424.59 and 61,153.07

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Solution

The fourth proportional to 83,619.64, 125,424.59 and 61,153.07 is: 91,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619.64 : 125,424.59 = 61,153.07 : x
  2. Step 2: Convert to fraction form
    83,619.64/125,424.59 = 61,153.07/x
  3. Step 3: Cross multiply
    83,619.64x = 125,424.59 × 61,153.07
  4. Step 4: Simplify right side
    83,619.64x = 7,670,098,731.99
  5. Step 5: Solve for x
    x = 7,670,098,731.99/83,619.64
  6. Step 6: Final answer
    x = 91,726.05

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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.