Home / 83,334.62-124,856.10-69,384.26

Finding the Fourth Proportional to 83,334.62, 124,856.10 and 69,384.26

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Solution

The fourth proportional to 83,334.62, 124,856.10 and 69,384.26 is: 103,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,334.62 : 124,856.10 = 69,384.26 : x
  2. Step 2: Convert to fraction form
    83,334.62/124,856.10 = 69,384.26/x
  3. Step 3: Cross multiply
    83,334.62x = 124,856.10 × 69,384.26
  4. Step 4: Simplify right side
    83,334.62x = 8,663,047,480.71
  5. Step 5: Solve for x
    x = 8,663,047,480.71/83,334.62
  6. Step 6: Final answer
    x = 103,954.97

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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.