Home / 67,029.91-92,490.99-38,730.13

Finding the Fourth Proportional to 67,029.91, 92,490.99 and 38,730.13

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Solution

The fourth proportional to 67,029.91, 92,490.99 and 38,730.13 is: 53,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,029.91 : 92,490.99 = 38,730.13 : x
  2. Step 2: Convert to fraction form
    67,029.91/92,490.99 = 38,730.13/x
  3. Step 3: Cross multiply
    67,029.91x = 92,490.99 × 38,730.13
  4. Step 4: Simplify right side
    67,029.91x = 3,582,188,066.53
  5. Step 5: Solve for x
    x = 3,582,188,066.53/67,029.91
  6. Step 6: Final answer
    x = 53,441.64

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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.