Home / 67,310.13-92,892.37-38,639.08

Finding the Fourth Proportional to 67,310.13, 92,892.37 and 38,639.08

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Solution

The fourth proportional to 67,310.13, 92,892.37 and 38,639.08 is: 53,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,310.13 : 92,892.37 = 38,639.08 : x
  2. Step 2: Convert to fraction form
    67,310.13/92,892.37 = 38,639.08/x
  3. Step 3: Cross multiply
    67,310.13x = 92,892.37 × 38,639.08
  4. Step 4: Simplify right side
    67,310.13x = 3,589,275,386.99
  5. Step 5: Solve for x
    x = 3,589,275,386.99/67,310.13
  6. Step 6: Final answer
    x = 53,324.45

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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.