Home / 84,427.17-116,458.72-55,747.09

Finding the Fourth Proportional to 84,427.17, 116,458.72 and 55,747.09

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Solution

The fourth proportional to 84,427.17, 116,458.72 and 55,747.09 is: 76,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,427.17 : 116,458.72 = 55,747.09 : x
  2. Step 2: Convert to fraction form
    84,427.17/116,458.72 = 55,747.09/x
  3. Step 3: Cross multiply
    84,427.17x = 116,458.72 × 55,747.09
  4. Step 4: Simplify right side
    84,427.17x = 6,492,234,745.12
  5. Step 5: Solve for x
    x = 6,492,234,745.12/84,427.17
  6. Step 6: Final answer
    x = 76,897.46

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1.5x scale

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.