Home / 60,209.08-90,317.76-18,087.40

Finding the Fourth Proportional to 60,209.08, 90,317.76 and 18,087.40

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Solution

The fourth proportional to 60,209.08, 90,317.76 and 18,087.40 is: 27,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,209.08 : 90,317.76 = 18,087.40 : x
  2. Step 2: Convert to fraction form
    60,209.08/90,317.76 = 18,087.40/x
  3. Step 3: Cross multiply
    60,209.08x = 90,317.76 × 18,087.40
  4. Step 4: Simplify right side
    60,209.08x = 1,633,613,452.22
  5. Step 5: Solve for x
    x = 1,633,613,452.22/60,209.08
  6. Step 6: Final answer
    x = 27,132.34

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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.