Home / 84,726.27-126,943.61-59,721.57

Finding the Fourth Proportional to 84,726.27, 126,943.61 and 59,721.57

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Solution

The fourth proportional to 84,726.27, 126,943.61 and 59,721.57 is: 89,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.27 : 126,943.61 = 59,721.57 : x
  2. Step 2: Convert to fraction form
    84,726.27/126,943.61 = 59,721.57/x
  3. Step 3: Cross multiply
    84,726.27x = 126,943.61 × 59,721.57
  4. Step 4: Simplify right side
    84,726.27x = 7,581,271,392.06
  5. Step 5: Solve for x
    x = 7,581,271,392.06/84,726.27
  6. Step 6: Final answer
    x = 89,479.58

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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.