Home / 55,740.04-76,922.58-31,868.96

Finding the Fourth Proportional to 55,740.04, 76,922.58 and 31,868.96

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Solution

The fourth proportional to 55,740.04, 76,922.58 and 31,868.96 is: 43,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.04 : 76,922.58 = 31,868.96 : x
  2. Step 2: Convert to fraction form
    55,740.04/76,922.58 = 31,868.96/x
  3. Step 3: Cross multiply
    55,740.04x = 76,922.58 × 31,868.96
  4. Step 4: Simplify right side
    55,740.04x = 2,451,442,625.12
  5. Step 5: Solve for x
    x = 2,451,442,625.12/55,740.04
  6. Step 6: Final answer
    x = 43,979.92

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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.