Home / 86,125.24-118,848.60-47,887.36

Finding the Fourth Proportional to 86,125.24, 118,848.60 and 47,887.36

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Solution

The fourth proportional to 86,125.24, 118,848.60 and 47,887.36 is: 66,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.24 : 118,848.60 = 47,887.36 : x
  2. Step 2: Convert to fraction form
    86,125.24/118,848.60 = 47,887.36/x
  3. Step 3: Cross multiply
    86,125.24x = 118,848.60 × 47,887.36
  4. Step 4: Simplify right side
    86,125.24x = 5,691,345,693.70
  5. Step 5: Solve for x
    x = 5,691,345,693.70/86,125.24
  6. Step 6: Final answer
    x = 66,082.20

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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.