Home / 70,284.11-105,358.50-25,886.65

Finding the Fourth Proportional to 70,284.11, 105,358.50 and 25,886.65

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Solution

The fourth proportional to 70,284.11, 105,358.50 and 25,886.65 is: 38,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,284.11 : 105,358.50 = 25,886.65 : x
  2. Step 2: Convert to fraction form
    70,284.11/105,358.50 = 25,886.65/x
  3. Step 3: Cross multiply
    70,284.11x = 105,358.50 × 25,886.65
  4. Step 4: Simplify right side
    70,284.11x = 2,727,378,614.03
  5. Step 5: Solve for x
    x = 2,727,378,614.03/70,284.11
  6. Step 6: Final answer
    x = 38,805.05

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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.