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Finding the Fourth Proportional to 85,162.08, 127,801.76 and 29,758.08

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Solution

The fourth proportional to 85,162.08, 127,801.76 and 29,758.08 is: 44,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,162.08 : 127,801.76 = 29,758.08 : x
  2. Step 2: Convert to fraction form
    85,162.08/127,801.76 = 29,758.08/x
  3. Step 3: Cross multiply
    85,162.08x = 127,801.76 × 29,758.08
  4. Step 4: Simplify right side
    85,162.08x = 3,803,134,998.22
  5. Step 5: Solve for x
    x = 3,803,134,998.22/85,162.08
  6. Step 6: Final answer
    x = 44,657.61

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1.5x scale

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.