Home / 67,421.66-101,194.60-34,165.28

Finding the Fourth Proportional to 67,421.66, 101,194.60 and 34,165.28

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Solution

The fourth proportional to 67,421.66, 101,194.60 and 34,165.28 is: 51,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.66 : 101,194.60 = 34,165.28 : x
  2. Step 2: Convert to fraction form
    67,421.66/101,194.60 = 34,165.28/x
  3. Step 3: Cross multiply
    67,421.66x = 101,194.60 × 34,165.28
  4. Step 4: Simplify right side
    67,421.66x = 3,457,342,075.12
  5. Step 5: Solve for x
    x = 3,457,342,075.12/67,421.66
  6. Step 6: Final answer
    x = 51,279.40

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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.