Home / 67,873.14-93,660.71-40,999.77

Finding the Fourth Proportional to 67,873.14, 93,660.71 and 40,999.77

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Solution

The fourth proportional to 67,873.14, 93,660.71 and 40,999.77 is: 56,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873.14 : 93,660.71 = 40,999.77 : x
  2. Step 2: Convert to fraction form
    67,873.14/93,660.71 = 40,999.77/x
  3. Step 3: Cross multiply
    67,873.14x = 93,660.71 × 40,999.77
  4. Step 4: Simplify right side
    67,873.14x = 3,840,067,363.04
  5. Step 5: Solve for x
    x = 3,840,067,363.04/67,873.14
  6. Step 6: Final answer
    x = 56,577.13

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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.