Home / 90,887.19-125,380.35-58,613.28

Finding the Fourth Proportional to 90,887.19, 125,380.35 and 58,613.28

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Solution

The fourth proportional to 90,887.19, 125,380.35 and 58,613.28 is: 80,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887.19 : 125,380.35 = 58,613.28 : x
  2. Step 2: Convert to fraction form
    90,887.19/125,380.35 = 58,613.28/x
  3. Step 3: Cross multiply
    90,887.19x = 125,380.35 × 58,613.28
  4. Step 4: Simplify right side
    90,887.19x = 7,348,953,561.05
  5. Step 5: Solve for x
    x = 7,348,953,561.05/90,887.19
  6. Step 6: Final answer
    x = 80,857.97

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1.5x scale

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.