Home / 80,472.04-120,598.66-30,525.28

Finding the Fourth Proportional to 80,472.04, 120,598.66 and 30,525.28

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Solution

The fourth proportional to 80,472.04, 120,598.66 and 30,525.28 is: 45,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,472.04 : 120,598.66 = 30,525.28 : x
  2. Step 2: Convert to fraction form
    80,472.04/120,598.66 = 30,525.28/x
  3. Step 3: Cross multiply
    80,472.04x = 120,598.66 × 30,525.28
  4. Step 4: Simplify right side
    80,472.04x = 3,681,307,864.12
  5. Step 5: Solve for x
    x = 3,681,307,864.12/80,472.04
  6. Step 6: Final answer
    x = 45,746.42

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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.