Home / 84,877.37-117,139.66-47,151.62

Finding the Fourth Proportional to 84,877.37, 117,139.66 and 47,151.62

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Solution

The fourth proportional to 84,877.37, 117,139.66 and 47,151.62 is: 65,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877.37 : 117,139.66 = 47,151.62 : x
  2. Step 2: Convert to fraction form
    84,877.37/117,139.66 = 47,151.62/x
  3. Step 3: Cross multiply
    84,877.37x = 117,139.66 × 47,151.62
  4. Step 4: Simplify right side
    84,877.37x = 5,523,324,031.67
  5. Step 5: Solve for x
    x = 5,523,324,031.67/84,877.37
  6. Step 6: Final answer
    x = 65,074.17

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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.