Home / 67,012.96-92,480.04-38,718.65

Finding the Fourth Proportional to 67,012.96, 92,480.04 and 38,718.65

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Solution

The fourth proportional to 67,012.96, 92,480.04 and 38,718.65 is: 53,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.96 : 92,480.04 = 38,718.65 : x
  2. Step 2: Convert to fraction form
    67,012.96/92,480.04 = 38,718.65/x
  3. Step 3: Cross multiply
    67,012.96x = 92,480.04 × 38,718.65
  4. Step 4: Simplify right side
    67,012.96x = 3,580,702,300.75
  5. Step 5: Solve for x
    x = 3,580,702,300.75/67,012.96
  6. Step 6: Final answer
    x = 53,432.98

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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.