Home / 84,001.68-125,706.38-52,426.53

Finding the Fourth Proportional to 84,001.68, 125,706.38 and 52,426.53

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Solution

The fourth proportional to 84,001.68, 125,706.38 and 52,426.53 is: 78,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.68 : 125,706.38 = 52,426.53 : x
  2. Step 2: Convert to fraction form
    84,001.68/125,706.38 = 52,426.53/x
  3. Step 3: Cross multiply
    84,001.68x = 125,706.38 × 52,426.53
  4. Step 4: Simplify right side
    84,001.68x = 6,590,349,040.13
  5. Step 5: Solve for x
    x = 6,590,349,040.13/84,001.68
  6. Step 6: Final answer
    x = 78,454.97

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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.