Home / 55,065.52-75,990.48-29,915.04

Finding the Fourth Proportional to 55,065.52, 75,990.48 and 29,915.04

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Solution

The fourth proportional to 55,065.52, 75,990.48 and 29,915.04 is: 41,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.52 : 75,990.48 = 29,915.04 : x
  2. Step 2: Convert to fraction form
    55,065.52/75,990.48 = 29,915.04/x
  3. Step 3: Cross multiply
    55,065.52x = 75,990.48 × 29,915.04
  4. Step 4: Simplify right side
    55,065.52x = 2,273,258,248.82
  5. Step 5: Solve for x
    x = 2,273,258,248.82/55,065.52
  6. Step 6: Final answer
    x = 41,282.79

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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.