Home / 83,255.40-124,883.10-73,632.60

Finding the Fourth Proportional to 83,255.40, 124,883.10 and 73,632.60

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Solution

The fourth proportional to 83,255.40, 124,883.10 and 73,632.60 is: 110,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,255.40 : 124,883.10 = 73,632.60 : x
  2. Step 2: Convert to fraction form
    83,255.40/124,883.10 = 73,632.60/x
  3. Step 3: Cross multiply
    83,255.40x = 124,883.10 × 73,632.60
  4. Step 4: Simplify right side
    83,255.40x = 9,195,467,349.06
  5. Step 5: Solve for x
    x = 9,195,467,349.06/83,255.40
  6. Step 6: Final answer
    x = 110,448.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.