Home / 84,204.45-125,690.15-74,240.19

Finding the Fourth Proportional to 84,204.45, 125,690.15 and 74,240.19

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Solution

The fourth proportional to 84,204.45, 125,690.15 and 74,240.19 is: 110,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.45 : 125,690.15 = 74,240.19 : x
  2. Step 2: Convert to fraction form
    84,204.45/125,690.15 = 74,240.19/x
  3. Step 3: Cross multiply
    84,204.45x = 125,690.15 × 74,240.19
  4. Step 4: Simplify right side
    84,204.45x = 9,331,260,802.73
  5. Step 5: Solve for x
    x = 9,331,260,802.73/84,204.45
  6. Step 6: Final answer
    x = 110,816.72

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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.