Home / 76,877.77-106,088.91-45,067.85

Finding the Fourth Proportional to 76,877.77, 106,088.91 and 45,067.85

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Solution

The fourth proportional to 76,877.77, 106,088.91 and 45,067.85 is: 62,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,877.77 : 106,088.91 = 45,067.85 : x
  2. Step 2: Convert to fraction form
    76,877.77/106,088.91 = 45,067.85/x
  3. Step 3: Cross multiply
    76,877.77x = 106,088.91 × 45,067.85
  4. Step 4: Simplify right side
    76,877.77x = 4,781,199,082.54
  5. Step 5: Solve for x
    x = 4,781,199,082.54/76,877.77
  6. Step 6: Final answer
    x = 62,192.22

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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.