Home / 84,560.14-126,757.86-47,085.76

Finding the Fourth Proportional to 84,560.14, 126,757.86 and 47,085.76

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Solution

The fourth proportional to 84,560.14, 126,757.86 and 47,085.76 is: 70,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,560.14 : 126,757.86 = 47,085.76 : x
  2. Step 2: Convert to fraction form
    84,560.14/126,757.86 = 47,085.76/x
  3. Step 3: Cross multiply
    84,560.14x = 126,757.86 × 47,085.76
  4. Step 4: Simplify right side
    84,560.14x = 5,968,490,174.07
  5. Step 5: Solve for x
    x = 5,968,490,174.07/84,560.14
  6. Step 6: Final answer
    x = 70,582.78

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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.