Home / 83,406.12-124,795.28-58,494.80

Finding the Fourth Proportional to 83,406.12, 124,795.28 and 58,494.80

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Solution

The fourth proportional to 83,406.12, 124,795.28 and 58,494.80 is: 87,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406.12 : 124,795.28 = 58,494.80 : x
  2. Step 2: Convert to fraction form
    83,406.12/124,795.28 = 58,494.80/x
  3. Step 3: Cross multiply
    83,406.12x = 124,795.28 × 58,494.80
  4. Step 4: Simplify right side
    83,406.12x = 7,299,874,944.54
  5. Step 5: Solve for x
    x = 7,299,874,944.54/83,406.12
  6. Step 6: Final answer
    x = 87,522.05

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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.