Home / 61,016.32-84,204.12-34,158.70

Finding the Fourth Proportional to 61,016.32, 84,204.12 and 34,158.70

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Solution

The fourth proportional to 61,016.32, 84,204.12 and 34,158.70 is: 47,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,016.32 : 84,204.12 = 34,158.70 : x
  2. Step 2: Convert to fraction form
    61,016.32/84,204.12 = 34,158.70/x
  3. Step 3: Cross multiply
    61,016.32x = 84,204.12 × 34,158.70
  4. Step 4: Simplify right side
    61,016.32x = 2,876,303,273.84
  5. Step 5: Solve for x
    x = 2,876,303,273.84/61,016.32
  6. Step 6: Final answer
    x = 47,139.90

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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.