Home / 69,867.28-96,416.78-38,036.18

Finding the Fourth Proportional to 69,867.28, 96,416.78 and 38,036.18

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Solution

The fourth proportional to 69,867.28, 96,416.78 and 38,036.18 is: 52,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.28 : 96,416.78 = 38,036.18 : x
  2. Step 2: Convert to fraction form
    69,867.28/96,416.78 = 38,036.18/x
  3. Step 3: Cross multiply
    69,867.28x = 96,416.78 × 38,036.18
  4. Step 4: Simplify right side
    69,867.28x = 3,667,326,263.91
  5. Step 5: Solve for x
    x = 3,667,326,263.91/69,867.28
  6. Step 6: Final answer
    x = 52,489.89

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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.