Home / 91,842.01-126,747.64-61,162.50

Finding the Fourth Proportional to 91,842.01, 126,747.64 and 61,162.50

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Solution

The fourth proportional to 91,842.01, 126,747.64 and 61,162.50 is: 84,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,842.01 : 126,747.64 = 61,162.50 : x
  2. Step 2: Convert to fraction form
    91,842.01/126,747.64 = 61,162.50/x
  3. Step 3: Cross multiply
    91,842.01x = 126,747.64 × 61,162.50
  4. Step 4: Simplify right side
    91,842.01x = 7,752,202,531.50
  5. Step 5: Solve for x
    x = 7,752,202,531.50/91,842.01
  6. Step 6: Final answer
    x = 84,408.02

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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.