Home / 80,501.04-120,677.04-30,566.16

Finding the Fourth Proportional to 80,501.04, 120,677.04 and 30,566.16

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Solution

The fourth proportional to 80,501.04, 120,677.04 and 30,566.16 is: 45,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.04 : 120,677.04 = 30,566.16 : x
  2. Step 2: Convert to fraction form
    80,501.04/120,677.04 = 30,566.16/x
  3. Step 3: Cross multiply
    80,501.04x = 120,677.04 × 30,566.16
  4. Step 4: Simplify right side
    80,501.04x = 3,688,633,712.97
  5. Step 5: Solve for x
    x = 3,688,633,712.97/80,501.04
  6. Step 6: Final answer
    x = 45,820.94

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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.