Home / 84,695.12-126,931.86-34,716.70

Finding the Fourth Proportional to 84,695.12, 126,931.86 and 34,716.70

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Solution

The fourth proportional to 84,695.12, 126,931.86 and 34,716.70 is: 52,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.12 : 126,931.86 = 34,716.70 : x
  2. Step 2: Convert to fraction form
    84,695.12/126,931.86 = 34,716.70/x
  3. Step 3: Cross multiply
    84,695.12x = 126,931.86 × 34,716.70
  4. Step 4: Simplify right side
    84,695.12x = 4,406,655,462.73
  5. Step 5: Solve for x
    x = 4,406,655,462.73/84,695.12
  6. Step 6: Final answer
    x = 52,029.63

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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.