Home / 85,072.60-127,514.88-35,125.16

Finding the Fourth Proportional to 85,072.60, 127,514.88 and 35,125.16

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Solution

The fourth proportional to 85,072.60, 127,514.88 and 35,125.16 is: 52,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.60 : 127,514.88 = 35,125.16 : x
  2. Step 2: Convert to fraction form
    85,072.60/127,514.88 = 35,125.16/x
  3. Step 3: Cross multiply
    85,072.60x = 127,514.88 × 35,125.16
  4. Step 4: Simplify right side
    85,072.60x = 4,478,980,562.38
  5. Step 5: Solve for x
    x = 4,478,980,562.38/85,072.60
  6. Step 6: Final answer
    x = 52,648.92

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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.