Home / 102,007.15-140,769.33-56,067.85

Finding the Fourth Proportional to 102,007.15, 140,769.33 and 56,067.85

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Solution

The fourth proportional to 102,007.15, 140,769.33 and 56,067.85 is: 77,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,007.15 : 140,769.33 = 56,067.85 : x
  2. Step 2: Convert to fraction form
    102,007.15/140,769.33 = 56,067.85/x
  3. Step 3: Cross multiply
    102,007.15x = 140,769.33 × 56,067.85
  4. Step 4: Simplify right side
    102,007.15x = 7,892,633,089.46
  5. Step 5: Solve for x
    x = 7,892,633,089.46/102,007.15
  6. Step 6: Final answer
    x = 77,373.33

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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.