Home / 85,257.46-117,799.73-61,336.82

Finding the Fourth Proportional to 85,257.46, 117,799.73 and 61,336.82

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Solution

The fourth proportional to 85,257.46, 117,799.73 and 61,336.82 is: 84,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.46 : 117,799.73 = 61,336.82 : x
  2. Step 2: Convert to fraction form
    85,257.46/117,799.73 = 61,336.82/x
  3. Step 3: Cross multiply
    85,257.46x = 117,799.73 × 61,336.82
  4. Step 4: Simplify right side
    85,257.46x = 7,225,460,835.06
  5. Step 5: Solve for x
    x = 7,225,460,835.06/85,257.46
  6. Step 6: Final answer
    x = 84,748.72

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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.