Home / 113,579.33-156,733.16-68,248.89

Finding the Fourth Proportional to 113,579.33, 156,733.16 and 68,248.89

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Solution

The fourth proportional to 113,579.33, 156,733.16 and 68,248.89 is: 94,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,579.33 : 156,733.16 = 68,248.89 : x
  2. Step 2: Convert to fraction form
    113,579.33/156,733.16 = 68,248.89/x
  3. Step 3: Cross multiply
    113,579.33x = 156,733.16 × 68,248.89
  4. Step 4: Simplify right side
    113,579.33x = 10,696,863,854.95
  5. Step 5: Solve for x
    x = 10,696,863,854.95/113,579.33
  6. Step 6: Final answer
    x = 94,179.67

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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.