Home / 83,422.64-124,820.04-58,511.30

Finding the Fourth Proportional to 83,422.64, 124,820.04 and 58,511.30

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Solution

The fourth proportional to 83,422.64, 124,820.04 and 58,511.30 is: 87,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.64 : 124,820.04 = 58,511.30 : x
  2. Step 2: Convert to fraction form
    83,422.64/124,820.04 = 58,511.30/x
  3. Step 3: Cross multiply
    83,422.64x = 124,820.04 × 58,511.30
  4. Step 4: Simplify right side
    83,422.64x = 7,303,382,806.45
  5. Step 5: Solve for x
    x = 7,303,382,806.45/83,422.64
  6. Step 6: Final answer
    x = 87,546.77

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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.