Home / 92,112.30-127,130.22-58,139.28

Finding the Fourth Proportional to 92,112.30, 127,130.22 and 58,139.28

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Solution

The fourth proportional to 92,112.30, 127,130.22 and 58,139.28 is: 80,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,112.30 : 127,130.22 = 58,139.28 : x
  2. Step 2: Convert to fraction form
    92,112.30/127,130.22 = 58,139.28/x
  3. Step 3: Cross multiply
    92,112.30x = 127,130.22 × 58,139.28
  4. Step 4: Simplify right side
    92,112.30x = 7,391,259,457.04
  5. Step 5: Solve for x
    x = 7,391,259,457.04/92,112.30
  6. Step 6: Final answer
    x = 80,241.83

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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.