Home / 72,229.76-108,159.36-50,011.52

Finding the Fourth Proportional to 72,229.76, 108,159.36 and 50,011.52

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Solution

The fourth proportional to 72,229.76, 108,159.36 and 50,011.52 is: 74,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229.76 : 108,159.36 = 50,011.52 : x
  2. Step 2: Convert to fraction form
    72,229.76/108,159.36 = 50,011.52/x
  3. Step 3: Cross multiply
    72,229.76x = 108,159.36 × 50,011.52
  4. Step 4: Simplify right side
    72,229.76x = 5,409,213,995.83
  5. Step 5: Solve for x
    x = 5,409,213,995.83/72,229.76
  6. Step 6: Final answer
    x = 74,888.99

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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.