Home / 90,111.60-124,353.36-49,825.44

Finding the Fourth Proportional to 90,111.60, 124,353.36 and 49,825.44

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Solution

The fourth proportional to 90,111.60, 124,353.36 and 49,825.44 is: 68,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,111.60 : 124,353.36 = 49,825.44 : x
  2. Step 2: Convert to fraction form
    90,111.60/124,353.36 = 49,825.44/x
  3. Step 3: Cross multiply
    90,111.60x = 124,353.36 × 49,825.44
  4. Step 4: Simplify right side
    90,111.60x = 6,195,960,877.48
  5. Step 5: Solve for x
    x = 6,195,960,877.48/90,111.60
  6. Step 6: Final answer
    x = 68,758.75

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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.