Home / 61,215.97-84,456.33-40,007.53

Finding the Fourth Proportional to 61,215.97, 84,456.33 and 40,007.53

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Solution

The fourth proportional to 61,215.97, 84,456.33 and 40,007.53 is: 55,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.97 : 84,456.33 = 40,007.53 : x
  2. Step 2: Convert to fraction form
    61,215.97/84,456.33 = 40,007.53/x
  3. Step 3: Cross multiply
    61,215.97x = 84,456.33 × 40,007.53
  4. Step 4: Simplify right side
    61,215.97x = 3,378,889,156.16
  5. Step 5: Solve for x
    x = 3,378,889,156.16/61,215.97
  6. Step 6: Final answer
    x = 55,196.20

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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.