Home / 84,538.32-116,662.04-45,775.95

Finding the Fourth Proportional to 84,538.32, 116,662.04 and 45,775.95

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Solution

The fourth proportional to 84,538.32, 116,662.04 and 45,775.95 is: 63,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.32 : 116,662.04 = 45,775.95 : x
  2. Step 2: Convert to fraction form
    84,538.32/116,662.04 = 45,775.95/x
  3. Step 3: Cross multiply
    84,538.32x = 116,662.04 × 45,775.95
  4. Step 4: Simplify right side
    84,538.32x = 5,340,315,481.06
  5. Step 5: Solve for x
    x = 5,340,315,481.06/84,538.32
  6. Step 6: Final answer
    x = 63,170.35

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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.