Home / 109,738.24-151,451.06-61,994.66

Finding the Fourth Proportional to 109,738.24, 151,451.06 and 61,994.66

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Solution

The fourth proportional to 109,738.24, 151,451.06 and 61,994.66 is: 85,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.24 : 151,451.06 = 61,994.66 : x
  2. Step 2: Convert to fraction form
    109,738.24/151,451.06 = 61,994.66/x
  3. Step 3: Cross multiply
    109,738.24x = 151,451.06 × 61,994.66
  4. Step 4: Simplify right side
    109,738.24x = 9,389,156,930.38
  5. Step 5: Solve for x
    x = 9,389,156,930.38/109,738.24
  6. Step 6: Final answer
    x = 85,559.57

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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.