Home / 83,070.27-114,633.45-49,089.78

Finding the Fourth Proportional to 83,070.27, 114,633.45 and 49,089.78

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Solution

The fourth proportional to 83,070.27, 114,633.45 and 49,089.78 is: 67,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.27 : 114,633.45 = 49,089.78 : x
  2. Step 2: Convert to fraction form
    83,070.27/114,633.45 = 49,089.78/x
  3. Step 3: Cross multiply
    83,070.27x = 114,633.45 × 49,089.78
  4. Step 4: Simplify right side
    83,070.27x = 5,627,330,841.14
  5. Step 5: Solve for x
    x = 5,627,330,841.14/83,070.27
  6. Step 6: Final answer
    x = 67,741.81

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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.