Home / 90,052.10-124,272.28-49,217.06

Finding the Fourth Proportional to 90,052.10, 124,272.28 and 49,217.06

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Solution

The fourth proportional to 90,052.10, 124,272.28 and 49,217.06 is: 67,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.10 : 124,272.28 = 49,217.06 : x
  2. Step 2: Convert to fraction form
    90,052.10/124,272.28 = 49,217.06/x
  3. Step 3: Cross multiply
    90,052.10x = 124,272.28 × 49,217.06
  4. Step 4: Simplify right side
    90,052.10x = 6,116,316,261.10
  5. Step 5: Solve for x
    x = 6,116,316,261.10/90,052.10
  6. Step 6: Final answer
    x = 67,919.75

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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.