Home / 90,949.04-125,561.70-60,363.61

Finding the Fourth Proportional to 90,949.04, 125,561.70 and 60,363.61

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Solution

The fourth proportional to 90,949.04, 125,561.70 and 60,363.61 is: 83,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.04 : 125,561.70 = 60,363.61 : x
  2. Step 2: Convert to fraction form
    90,949.04/125,561.70 = 60,363.61/x
  3. Step 3: Cross multiply
    90,949.04x = 125,561.70 × 60,363.61
  4. Step 4: Simplify right side
    90,949.04x = 7,579,358,228.46
  5. Step 5: Solve for x
    x = 7,579,358,228.46/90,949.04
  6. Step 6: Final answer
    x = 83,336.32

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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.