Home / 84,718.08-116,988.71-54,556.38

Finding the Fourth Proportional to 84,718.08, 116,988.71 and 54,556.38

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Solution

The fourth proportional to 84,718.08, 116,988.71 and 54,556.38 is: 75,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.08 : 116,988.71 = 54,556.38 : x
  2. Step 2: Convert to fraction form
    84,718.08/116,988.71 = 54,556.38/x
  3. Step 3: Cross multiply
    84,718.08x = 116,988.71 × 54,556.38
  4. Step 4: Simplify right side
    84,718.08x = 6,382,480,245.69
  5. Step 5: Solve for x
    x = 6,382,480,245.69/84,718.08
  6. Step 6: Final answer
    x = 75,337.88

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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.