Home / 84,719.33-116,908.43-48,907.20

Finding the Fourth Proportional to 84,719.33, 116,908.43 and 48,907.20

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Solution

The fourth proportional to 84,719.33, 116,908.43 and 48,907.20 is: 67,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.33 : 116,908.43 = 48,907.20 : x
  2. Step 2: Convert to fraction form
    84,719.33/116,908.43 = 48,907.20/x
  3. Step 3: Cross multiply
    84,719.33x = 116,908.43 × 48,907.20
  4. Step 4: Simplify right side
    84,719.33x = 5,717,663,967.70
  5. Step 5: Solve for x
    x = 5,717,663,967.70/84,719.33
  6. Step 6: Final answer
    x = 67,489.49

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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.