Home / 61,211.28-84,469.68-34,353.12

Finding the Fourth Proportional to 61,211.28, 84,469.68 and 34,353.12

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Solution

The fourth proportional to 61,211.28, 84,469.68 and 34,353.12 is: 47,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.28 : 84,469.68 = 34,353.12 : x
  2. Step 2: Convert to fraction form
    61,211.28/84,469.68 = 34,353.12/x
  3. Step 3: Cross multiply
    61,211.28x = 84,469.68 × 34,353.12
  4. Step 4: Simplify right side
    61,211.28x = 2,901,797,053.40
  5. Step 5: Solve for x
    x = 2,901,797,053.40/61,211.28
  6. Step 6: Final answer
    x = 47,406.25

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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.