Home / 85,276.93-117,680.67-47,039.97

Finding the Fourth Proportional to 85,276.93, 117,680.67 and 47,039.97

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Solution

The fourth proportional to 85,276.93, 117,680.67 and 47,039.97 is: 64,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,276.93 : 117,680.67 = 47,039.97 : x
  2. Step 2: Convert to fraction form
    85,276.93/117,680.67 = 47,039.97/x
  3. Step 3: Cross multiply
    85,276.93x = 117,680.67 × 47,039.97
  4. Step 4: Simplify right side
    85,276.93x = 5,535,695,186.38
  5. Step 5: Solve for x
    x = 5,535,695,186.38/85,276.93
  6. Step 6: Final answer
    x = 64,914.33

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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.