Home / 67,065.20-92,537.12-43,187.12

Finding the Fourth Proportional to 67,065.20, 92,537.12 and 43,187.12

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Solution

The fourth proportional to 67,065.20, 92,537.12 and 43,187.12 is: 59,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065.20 : 92,537.12 = 43,187.12 : x
  2. Step 2: Convert to fraction form
    67,065.20/92,537.12 = 43,187.12/x
  3. Step 3: Cross multiply
    67,065.20x = 92,537.12 × 43,187.12
  4. Step 4: Simplify right side
    67,065.20x = 3,996,411,705.89
  5. Step 5: Solve for x
    x = 3,996,411,705.89/67,065.20
  6. Step 6: Final answer
    x = 59,589.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.