Home / 55,743.84-83,612.52-40,766.13

Finding the Fourth Proportional to 55,743.84, 83,612.52 and 40,766.13

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Solution

The fourth proportional to 55,743.84, 83,612.52 and 40,766.13 is: 61,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.84 : 83,612.52 = 40,766.13 : x
  2. Step 2: Convert to fraction form
    55,743.84/83,612.52 = 40,766.13/x
  3. Step 3: Cross multiply
    55,743.84x = 83,612.52 × 40,766.13
  4. Step 4: Simplify right side
    55,743.84x = 3,408,558,859.95
  5. Step 5: Solve for x
    x = 3,408,558,859.95/55,743.84
  6. Step 6: Final answer
    x = 61,146.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.