Home / 85,387.41-117,841.37-49,588.65

Finding the Fourth Proportional to 85,387.41, 117,841.37 and 49,588.65

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Solution

The fourth proportional to 85,387.41, 117,841.37 and 49,588.65 is: 68,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,387.41 : 117,841.37 = 49,588.65 : x
  2. Step 2: Convert to fraction form
    85,387.41/117,841.37 = 49,588.65/x
  3. Step 3: Cross multiply
    85,387.41x = 117,841.37 × 49,588.65
  4. Step 4: Simplify right side
    85,387.41x = 5,843,594,204.51
  5. Step 5: Solve for x
    x = 5,843,594,204.51/85,387.41
  6. Step 6: Final answer
    x = 68,436.25

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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.