Home / 113,151.08-156,147.84-62,162.72

Finding the Fourth Proportional to 113,151.08, 156,147.84 and 62,162.72

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Solution

The fourth proportional to 113,151.08, 156,147.84 and 62,162.72 is: 85,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,151.08 : 156,147.84 = 62,162.72 : x
  2. Step 2: Convert to fraction form
    113,151.08/156,147.84 = 62,162.72/x
  3. Step 3: Cross multiply
    113,151.08x = 156,147.84 × 62,162.72
  4. Step 4: Simplify right side
    113,151.08x = 9,706,573,675.79
  5. Step 5: Solve for x
    x = 9,706,573,675.79/113,151.08
  6. Step 6: Final answer
    x = 85,784.19

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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.