Home / 82,133.90-123,216.04-25,988.14

Finding the Fourth Proportional to 82,133.90, 123,216.04 and 25,988.14

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Solution

The fourth proportional to 82,133.90, 123,216.04 and 25,988.14 is: 38,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.90 : 123,216.04 = 25,988.14 : x
  2. Step 2: Convert to fraction form
    82,133.90/123,216.04 = 25,988.14/x
  3. Step 3: Cross multiply
    82,133.90x = 123,216.04 × 25,988.14
  4. Step 4: Simplify right side
    82,133.90x = 3,202,155,884.27
  5. Step 5: Solve for x
    x = 3,202,155,884.27/82,133.90
  6. Step 6: Final answer
    x = 38,987.02

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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.