Home / 83,441.44-124,555.22-77,274.10

Finding the Fourth Proportional to 83,441.44, 124,555.22 and 77,274.10

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Solution

The fourth proportional to 83,441.44, 124,555.22 and 77,274.10 is: 115,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,441.44 : 124,555.22 = 77,274.10 : x
  2. Step 2: Convert to fraction form
    83,441.44/124,555.22 = 77,274.10/x
  3. Step 3: Cross multiply
    83,441.44x = 124,555.22 × 77,274.10
  4. Step 4: Simplify right side
    83,441.44x = 9,624,892,584.90
  5. Step 5: Solve for x
    x = 9,624,892,584.90/83,441.44
  6. Step 6: Final answer
    x = 115,349.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.