Home / 67,018.76-92,517.41-38,718.98

Finding the Fourth Proportional to 67,018.76, 92,517.41 and 38,718.98

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Solution

The fourth proportional to 67,018.76, 92,517.41 and 38,718.98 is: 53,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,018.76 : 92,517.41 = 38,718.98 : x
  2. Step 2: Convert to fraction form
    67,018.76/92,517.41 = 38,718.98/x
  3. Step 3: Cross multiply
    67,018.76x = 92,517.41 × 38,718.98
  4. Step 4: Simplify right side
    67,018.76x = 3,582,179,091.26
  5. Step 5: Solve for x
    x = 3,582,179,091.26/67,018.76
  6. Step 6: Final answer
    x = 53,450.40

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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.