Home / 76,877.27-106,088.22-45,067.35

Finding the Fourth Proportional to 76,877.27, 106,088.22 and 45,067.35

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Solution

The fourth proportional to 76,877.27, 106,088.22 and 45,067.35 is: 62,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,877.27 : 106,088.22 = 45,067.35 : x
  2. Step 2: Convert to fraction form
    76,877.27/106,088.22 = 45,067.35/x
  3. Step 3: Cross multiply
    76,877.27x = 106,088.22 × 45,067.35
  4. Step 4: Simplify right side
    76,877.27x = 4,781,114,941.62
  5. Step 5: Solve for x
    x = 4,781,114,941.62/76,877.27
  6. Step 6: Final answer
    x = 62,191.53

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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.