Home / 90,077.13-124,306.43-50,333.13

Finding the Fourth Proportional to 90,077.13, 124,306.43 and 50,333.13

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Solution

The fourth proportional to 90,077.13, 124,306.43 and 50,333.13 is: 69,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.13 : 124,306.43 = 50,333.13 : x
  2. Step 2: Convert to fraction form
    90,077.13/124,306.43 = 50,333.13/x
  3. Step 3: Cross multiply
    90,077.13x = 124,306.43 × 50,333.13
  4. Step 4: Simplify right side
    90,077.13x = 6,256,731,701.03
  5. Step 5: Solve for x
    x = 6,256,731,701.03/90,077.13
  6. Step 6: Final answer
    x = 69,459.71

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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.