Home / 67,445.90-101,149.72-20,059.08

Finding the Fourth Proportional to 67,445.90, 101,149.72 and 20,059.08

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Solution

The fourth proportional to 67,445.90, 101,149.72 and 20,059.08 is: 30,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.90 : 101,149.72 = 20,059.08 : x
  2. Step 2: Convert to fraction form
    67,445.90/101,149.72 = 20,059.08/x
  3. Step 3: Cross multiply
    67,445.90x = 101,149.72 × 20,059.08
  4. Step 4: Simplify right side
    67,445.90x = 2,028,970,325.46
  5. Step 5: Solve for x
    x = 2,028,970,325.46/67,445.90
  6. Step 6: Final answer
    x = 30,082.93

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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.