Home / 84,909.48-117,176.45-48,610.79

Finding the Fourth Proportional to 84,909.48, 117,176.45 and 48,610.79

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Solution

The fourth proportional to 84,909.48, 117,176.45 and 48,610.79 is: 67,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,909.48 : 117,176.45 = 48,610.79 : x
  2. Step 2: Convert to fraction form
    84,909.48/117,176.45 = 48,610.79/x
  3. Step 3: Cross multiply
    84,909.48x = 117,176.45 × 48,610.79
  4. Step 4: Simplify right side
    84,909.48x = 5,696,039,803.90
  5. Step 5: Solve for x
    x = 5,696,039,803.90/84,909.48
  6. Step 6: Final answer
    x = 67,083.67

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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.