Home / 61,167.16-84,428.58-39,949.66

Finding the Fourth Proportional to 61,167.16, 84,428.58 and 39,949.66

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Solution

The fourth proportional to 61,167.16, 84,428.58 and 39,949.66 is: 55,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,167.16 : 84,428.58 = 39,949.66 : x
  2. Step 2: Convert to fraction form
    61,167.16/84,428.58 = 39,949.66/x
  3. Step 3: Cross multiply
    61,167.16x = 84,428.58 × 39,949.66
  4. Step 4: Simplify right side
    61,167.16x = 3,372,893,065.28
  5. Step 5: Solve for x
    x = 3,372,893,065.28/61,167.16
  6. Step 6: Final answer
    x = 55,142.22

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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.