Home / 67,115.04-92,618.94-38,435.15

Finding the Fourth Proportional to 67,115.04, 92,618.94 and 38,435.15

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Solution

The fourth proportional to 67,115.04, 92,618.94 and 38,435.15 is: 53,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.04 : 92,618.94 = 38,435.15 : x
  2. Step 2: Convert to fraction form
    67,115.04/92,618.94 = 38,435.15/x
  3. Step 3: Cross multiply
    67,115.04x = 92,618.94 × 38,435.15
  4. Step 4: Simplify right side
    67,115.04x = 3,559,822,388.65
  5. Step 5: Solve for x
    x = 3,559,822,388.65/67,115.04
  6. Step 6: Final answer
    x = 53,040.61

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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.