Home / 67,270.24-92,812.80-38,975.20

Finding the Fourth Proportional to 67,270.24, 92,812.80 and 38,975.20

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Solution

The fourth proportional to 67,270.24, 92,812.80 and 38,975.20 is: 53,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.24 : 92,812.80 = 38,975.20 : x
  2. Step 2: Convert to fraction form
    67,270.24/92,812.80 = 38,975.20/x
  3. Step 3: Cross multiply
    67,270.24x = 92,812.80 × 38,975.20
  4. Step 4: Simplify right side
    67,270.24x = 3,617,397,442.56
  5. Step 5: Solve for x
    x = 3,617,397,442.56/67,270.24
  6. Step 6: Final answer
    x = 53,774.11

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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.