Home / 67,421.87-101,194.92-34,165.19

Finding the Fourth Proportional to 67,421.87, 101,194.92 and 34,165.19

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Solution

The fourth proportional to 67,421.87, 101,194.92 and 34,165.19 is: 51,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.87 : 101,194.92 = 34,165.19 : x
  2. Step 2: Convert to fraction form
    67,421.87/101,194.92 = 34,165.19/x
  3. Step 3: Cross multiply
    67,421.87x = 101,194.92 × 34,165.19
  4. Step 4: Simplify right side
    67,421.87x = 3,457,343,921.82
  5. Step 5: Solve for x
    x = 3,457,343,921.82/67,421.87
  6. Step 6: Final answer
    x = 51,279.27

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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.