Home / 82,124.82-113,334.96-47,666.89

Finding the Fourth Proportional to 82,124.82, 113,334.96 and 47,666.89

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Solution

The fourth proportional to 82,124.82, 113,334.96 and 47,666.89 is: 65,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,124.82 : 113,334.96 = 47,666.89 : x
  2. Step 2: Convert to fraction form
    82,124.82/113,334.96 = 47,666.89/x
  3. Step 3: Cross multiply
    82,124.82x = 113,334.96 × 47,666.89
  4. Step 4: Simplify right side
    82,124.82x = 5,402,325,350.18
  5. Step 5: Solve for x
    x = 5,402,325,350.18/82,124.82
  6. Step 6: Final answer
    x = 65,781.88

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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.