Home / 90,306.60-124,617.61-50,017.96

Finding the Fourth Proportional to 90,306.60, 124,617.61 and 50,017.96

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Solution

The fourth proportional to 90,306.60, 124,617.61 and 50,017.96 is: 69,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.60 : 124,617.61 = 50,017.96 : x
  2. Step 2: Convert to fraction form
    90,306.60/124,617.61 = 50,017.96/x
  3. Step 3: Cross multiply
    90,306.60x = 124,617.61 × 50,017.96
  4. Step 4: Simplify right side
    90,306.60x = 6,233,118,632.28
  5. Step 5: Solve for x
    x = 6,233,118,632.28/90,306.60
  6. Step 6: Final answer
    x = 69,021.74

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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.