Home / 90,872.04-136,329.93-38,296.56

Finding the Fourth Proportional to 90,872.04, 136,329.93 and 38,296.56

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Solution

The fourth proportional to 90,872.04, 136,329.93 and 38,296.56 is: 57,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872.04 : 136,329.93 = 38,296.56 : x
  2. Step 2: Convert to fraction form
    90,872.04/136,329.93 = 38,296.56/x
  3. Step 3: Cross multiply
    90,872.04x = 136,329.93 × 38,296.56
  4. Step 4: Simplify right side
    90,872.04x = 5,220,967,344.04
  5. Step 5: Solve for x
    x = 5,220,967,344.04/90,872.04
  6. Step 6: Final answer
    x = 57,454.06

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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.