Home / 90,080.40-124,317.43-49,793.33

Finding the Fourth Proportional to 90,080.40, 124,317.43 and 49,793.33

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Solution

The fourth proportional to 90,080.40, 124,317.43 and 49,793.33 is: 68,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,080.40 : 124,317.43 = 49,793.33 : x
  2. Step 2: Convert to fraction form
    90,080.40/124,317.43 = 49,793.33/x
  3. Step 3: Cross multiply
    90,080.40x = 124,317.43 × 49,793.33
  4. Step 4: Simplify right side
    90,080.40x = 6,190,179,283.14
  5. Step 5: Solve for x
    x = 6,190,179,283.14/90,080.40
  6. Step 6: Final answer
    x = 68,718.38

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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.