Home / 70,282.11-105,355.50-25,884.65

Finding the Fourth Proportional to 70,282.11, 105,355.50 and 25,884.65

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Solution

The fourth proportional to 70,282.11, 105,355.50 and 25,884.65 is: 38,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.11 : 105,355.50 = 25,884.65 : x
  2. Step 2: Convert to fraction form
    70,282.11/105,355.50 = 25,884.65/x
  3. Step 3: Cross multiply
    70,282.11x = 105,355.50 × 25,884.65
  4. Step 4: Simplify right side
    70,282.11x = 2,727,090,243.08
  5. Step 5: Solve for x
    x = 2,727,090,243.08/70,282.11
  6. Step 6: Final answer
    x = 38,802.05

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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.