Home / 72,456.56-99,998.26-48,256.20

Finding the Fourth Proportional to 72,456.56, 99,998.26 and 48,256.20

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Solution

The fourth proportional to 72,456.56, 99,998.26 and 48,256.20 is: 66,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,456.56 : 99,998.26 = 48,256.20 : x
  2. Step 2: Convert to fraction form
    72,456.56/99,998.26 = 48,256.20/x
  3. Step 3: Cross multiply
    72,456.56x = 99,998.26 × 48,256.20
  4. Step 4: Simplify right side
    72,456.56x = 4,825,536,034.21
  5. Step 5: Solve for x
    x = 4,825,536,034.21/72,456.56
  6. Step 6: Final answer
    x = 66,599.02

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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.