Home / 90,077.58-124,306.35-49,794.06

Finding the Fourth Proportional to 90,077.58, 124,306.35 and 49,794.06

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Solution

The fourth proportional to 90,077.58, 124,306.35 and 49,794.06 is: 68,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.58 : 124,306.35 = 49,794.06 : x
  2. Step 2: Convert to fraction form
    90,077.58/124,306.35 = 49,794.06/x
  3. Step 3: Cross multiply
    90,077.58x = 124,306.35 × 49,794.06
  4. Step 4: Simplify right side
    90,077.58x = 6,189,717,850.28
  5. Step 5: Solve for x
    x = 6,189,717,850.28/90,077.58
  6. Step 6: Final answer
    x = 68,715.41

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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.