Home / 61,207.16-84,388.38-39,952.76

Finding the Fourth Proportional to 61,207.16, 84,388.38 and 39,952.76

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Solution

The fourth proportional to 61,207.16, 84,388.38 and 39,952.76 is: 55,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.16 : 84,388.38 = 39,952.76 : x
  2. Step 2: Convert to fraction form
    61,207.16/84,388.38 = 39,952.76/x
  3. Step 3: Cross multiply
    61,207.16x = 84,388.38 × 39,952.76
  4. Step 4: Simplify right side
    61,207.16x = 3,371,548,692.93
  5. Step 5: Solve for x
    x = 3,371,548,692.93/61,207.16
  6. Step 6: Final answer
    x = 55,084.22

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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.