Home / 72,585.40-108,812.46-50,409.20

Finding the Fourth Proportional to 72,585.40, 108,812.46 and 50,409.20

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Solution

The fourth proportional to 72,585.40, 108,812.46 and 50,409.20 is: 75,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,585.40 : 108,812.46 = 50,409.20 : x
  2. Step 2: Convert to fraction form
    72,585.40/108,812.46 = 50,409.20/x
  3. Step 3: Cross multiply
    72,585.40x = 108,812.46 × 50,409.20
  4. Step 4: Simplify right side
    72,585.40x = 5,485,149,058.63
  5. Step 5: Solve for x
    x = 5,485,149,058.63/72,585.40
  6. Step 6: Final answer
    x = 75,568.21

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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.