Home / 90,330.10-124,676.26-60,116.68

Finding the Fourth Proportional to 90,330.10, 124,676.26 and 60,116.68

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Solution

The fourth proportional to 90,330.10, 124,676.26 and 60,116.68 is: 82,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,330.10 : 124,676.26 = 60,116.68 : x
  2. Step 2: Convert to fraction form
    90,330.10/124,676.26 = 60,116.68/x
  3. Step 3: Cross multiply
    90,330.10x = 124,676.26 × 60,116.68
  4. Step 4: Simplify right side
    90,330.10x = 7,495,122,826.02
  5. Step 5: Solve for x
    x = 7,495,122,826.02/90,330.10
  6. Step 6: Final answer
    x = 82,974.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.