Home / 85,514.92-128,275.26-23,186.92

Finding the Fourth Proportional to 85,514.92, 128,275.26 and 23,186.92

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Solution

The fourth proportional to 85,514.92, 128,275.26 and 23,186.92 is: 34,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,514.92 : 128,275.26 = 23,186.92 : x
  2. Step 2: Convert to fraction form
    85,514.92/128,275.26 = 23,186.92/x
  3. Step 3: Cross multiply
    85,514.92x = 128,275.26 × 23,186.92
  4. Step 4: Simplify right side
    85,514.92x = 2,974,308,191.60
  5. Step 5: Solve for x
    x = 2,974,308,191.60/85,514.92
  6. Step 6: Final answer
    x = 34,781.16

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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.