Home / 84,741.47-127,153.91-59,940.89

Finding the Fourth Proportional to 84,741.47, 127,153.91 and 59,940.89

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Solution

The fourth proportional to 84,741.47, 127,153.91 and 59,940.89 is: 89,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741.47 : 127,153.91 = 59,940.89 : x
  2. Step 2: Convert to fraction form
    84,741.47/127,153.91 = 59,940.89/x
  3. Step 3: Cross multiply
    84,741.47x = 127,153.91 × 59,940.89
  4. Step 4: Simplify right side
    84,741.47x = 7,621,718,046.46
  5. Step 5: Solve for x
    x = 7,621,718,046.46/84,741.47
  6. Step 6: Final answer
    x = 89,940.83

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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.