Home / 85,207.26-127,827.34-38,460.12

Finding the Fourth Proportional to 85,207.26, 127,827.34 and 38,460.12

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Solution

The fourth proportional to 85,207.26, 127,827.34 and 38,460.12 is: 57,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.26 : 127,827.34 = 38,460.12 : x
  2. Step 2: Convert to fraction form
    85,207.26/127,827.34 = 38,460.12/x
  3. Step 3: Cross multiply
    85,207.26x = 127,827.34 × 38,460.12
  4. Step 4: Simplify right side
    85,207.26x = 4,916,254,835.68
  5. Step 5: Solve for x
    x = 4,916,254,835.68/85,207.26
  6. Step 6: Final answer
    x = 57,697.61

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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.