Home / 90,997.17-125,585.51-54,710.49

Finding the Fourth Proportional to 90,997.17, 125,585.51 and 54,710.49

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Solution

The fourth proportional to 90,997.17, 125,585.51 and 54,710.49 is: 75,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.17 : 125,585.51 = 54,710.49 : x
  2. Step 2: Convert to fraction form
    90,997.17/125,585.51 = 54,710.49/x
  3. Step 3: Cross multiply
    90,997.17x = 125,585.51 × 54,710.49
  4. Step 4: Simplify right side
    90,997.17x = 6,870,844,515.45
  5. Step 5: Solve for x
    x = 6,870,844,515.45/90,997.17
  6. Step 6: Final answer
    x = 75,506.13

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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.