Home / 55,306.28-76,298.38-37,394.80

Finding the Fourth Proportional to 55,306.28, 76,298.38 and 37,394.80

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Solution

The fourth proportional to 55,306.28, 76,298.38 and 37,394.80 is: 51,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.28 : 76,298.38 = 37,394.80 : x
  2. Step 2: Convert to fraction form
    55,306.28/76,298.38 = 37,394.80/x
  3. Step 3: Cross multiply
    55,306.28x = 76,298.38 × 37,394.80
  4. Step 4: Simplify right side
    55,306.28x = 2,853,162,660.42
  5. Step 5: Solve for x
    x = 2,853,162,660.42/55,306.28
  6. Step 6: Final answer
    x = 51,588.40

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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.