Home / 90,881.19-125,372.07-58,607.28

Finding the Fourth Proportional to 90,881.19, 125,372.07 and 58,607.28

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Solution

The fourth proportional to 90,881.19, 125,372.07 and 58,607.28 is: 80,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881.19 : 125,372.07 = 58,607.28 : x
  2. Step 2: Convert to fraction form
    90,881.19/125,372.07 = 58,607.28/x
  3. Step 3: Cross multiply
    90,881.19x = 125,372.07 × 58,607.28
  4. Step 4: Simplify right side
    90,881.19x = 7,347,716,010.67
  5. Step 5: Solve for x
    x = 7,347,716,010.67/90,881.19
  6. Step 6: Final answer
    x = 80,849.69

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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.