Home / 105,813.32-146,021.98-58,067.46

Finding the Fourth Proportional to 105,813.32, 146,021.98 and 58,067.46

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Solution

The fourth proportional to 105,813.32, 146,021.98 and 58,067.46 is: 80,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,813.32 : 146,021.98 = 58,067.46 : x
  2. Step 2: Convert to fraction form
    105,813.32/146,021.98 = 58,067.46/x
  3. Step 3: Cross multiply
    105,813.32x = 146,021.98 × 58,067.46
  4. Step 4: Simplify right side
    105,813.32x = 8,479,125,482.77
  5. Step 5: Solve for x
    x = 8,479,125,482.77/105,813.32
  6. Step 6: Final answer
    x = 80,132.87

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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.