Home / 80,034.36-110,315.70-56,758.56

Finding the Fourth Proportional to 80,034.36, 110,315.70 and 56,758.56

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Solution

The fourth proportional to 80,034.36, 110,315.70 and 56,758.56 is: 78,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,034.36 : 110,315.70 = 56,758.56 : x
  2. Step 2: Convert to fraction form
    80,034.36/110,315.70 = 56,758.56/x
  3. Step 3: Cross multiply
    80,034.36x = 110,315.70 × 56,758.56
  4. Step 4: Simplify right side
    80,034.36x = 6,261,360,277.39
  5. Step 5: Solve for x
    x = 6,261,360,277.39/80,034.36
  6. Step 6: Final answer
    x = 78,233.40

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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.