Home / 84,163.52-116,109.20-48,345.36

Finding the Fourth Proportional to 84,163.52, 116,109.20 and 48,345.36

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Solution

The fourth proportional to 84,163.52, 116,109.20 and 48,345.36 is: 66,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,163.52 : 116,109.20 = 48,345.36 : x
  2. Step 2: Convert to fraction form
    84,163.52/116,109.20 = 48,345.36/x
  3. Step 3: Cross multiply
    84,163.52x = 116,109.20 × 48,345.36
  4. Step 4: Simplify right side
    84,163.52x = 5,613,341,073.31
  5. Step 5: Solve for x
    x = 5,613,341,073.31/84,163.52
  6. Step 6: Final answer
    x = 66,695.65

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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.