Home / 80,526.34-120,773.11-30,588.93

Finding the Fourth Proportional to 80,526.34, 120,773.11 and 30,588.93

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Solution

The fourth proportional to 80,526.34, 120,773.11 and 30,588.93 is: 45,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.34 : 120,773.11 = 30,588.93 : x
  2. Step 2: Convert to fraction form
    80,526.34/120,773.11 = 30,588.93/x
  3. Step 3: Cross multiply
    80,526.34x = 120,773.11 × 30,588.93
  4. Step 4: Simplify right side
    80,526.34x = 3,694,320,207.67
  5. Step 5: Solve for x
    x = 3,694,320,207.67/80,526.34
  6. Step 6: Final answer
    x = 45,877.17

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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.