Home / 67,156.68-92,671.65-38,866.62

Finding the Fourth Proportional to 67,156.68, 92,671.65 and 38,866.62

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Solution

The fourth proportional to 67,156.68, 92,671.65 and 38,866.62 is: 53,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156.68 : 92,671.65 = 38,866.62 : x
  2. Step 2: Convert to fraction form
    67,156.68/92,671.65 = 38,866.62/x
  3. Step 3: Cross multiply
    67,156.68x = 92,671.65 × 38,866.62
  4. Step 4: Simplify right side
    67,156.68x = 3,601,833,805.32
  5. Step 5: Solve for x
    x = 3,601,833,805.32/67,156.68
  6. Step 6: Final answer
    x = 53,633.29

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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.