Home / 80,623.14-120,937.38-30,695.76

Finding the Fourth Proportional to 80,623.14, 120,937.38 and 30,695.76

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Solution

The fourth proportional to 80,623.14, 120,937.38 and 30,695.76 is: 46,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,623.14 : 120,937.38 = 30,695.76 : x
  2. Step 2: Convert to fraction form
    80,623.14/120,937.38 = 30,695.76/x
  3. Step 3: Cross multiply
    80,623.14x = 120,937.38 × 30,695.76
  4. Step 4: Simplify right side
    80,623.14x = 3,712,264,791.51
  5. Step 5: Solve for x
    x = 3,712,264,791.51/80,623.14
  6. Step 6: Final answer
    x = 46,044.66

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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.