Home / 84,783.10-117,006.21-48,974.62

Finding the Fourth Proportional to 84,783.10, 117,006.21 and 48,974.62

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Solution

The fourth proportional to 84,783.10, 117,006.21 and 48,974.62 is: 67,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783.10 : 117,006.21 = 48,974.62 : x
  2. Step 2: Convert to fraction form
    84,783.10/117,006.21 = 48,974.62/x
  3. Step 3: Cross multiply
    84,783.10x = 117,006.21 × 48,974.62
  4. Step 4: Simplify right side
    84,783.10x = 5,730,334,672.39
  5. Step 5: Solve for x
    x = 5,730,334,672.39/84,783.10
  6. Step 6: Final answer
    x = 67,588.17

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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.