Home / 90,402.67-124,755.68-50,116.33

Finding the Fourth Proportional to 90,402.67, 124,755.68 and 50,116.33

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Solution

The fourth proportional to 90,402.67, 124,755.68 and 50,116.33 is: 69,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402.67 : 124,755.68 = 50,116.33 : x
  2. Step 2: Convert to fraction form
    90,402.67/124,755.68 = 50,116.33/x
  3. Step 3: Cross multiply
    90,402.67x = 124,755.68 × 50,116.33
  4. Step 4: Simplify right side
    90,402.67x = 6,252,295,953.89
  5. Step 5: Solve for x
    x = 6,252,295,953.89/90,402.67
  6. Step 6: Final answer
    x = 69,160.53

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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.