Home / 90,585.87-125,020.03-54,776.14

Finding the Fourth Proportional to 90,585.87, 125,020.03 and 54,776.14

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Solution

The fourth proportional to 90,585.87, 125,020.03 and 54,776.14 is: 75,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,585.87 : 125,020.03 = 54,776.14 : x
  2. Step 2: Convert to fraction form
    90,585.87/125,020.03 = 54,776.14/x
  3. Step 3: Cross multiply
    90,585.87x = 125,020.03 × 54,776.14
  4. Step 4: Simplify right side
    90,585.87x = 6,848,114,177.92
  5. Step 5: Solve for x
    x = 6,848,114,177.92/90,585.87
  6. Step 6: Final answer
    x = 75,598.04

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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.