Home / 86,165.31-118,910.18-47,926.41

Finding the Fourth Proportional to 86,165.31, 118,910.18 and 47,926.41

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Solution

The fourth proportional to 86,165.31, 118,910.18 and 47,926.41 is: 66,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,165.31 : 118,910.18 = 47,926.41 : x
  2. Step 2: Convert to fraction form
    86,165.31/118,910.18 = 47,926.41/x
  3. Step 3: Cross multiply
    86,165.31x = 118,910.18 × 47,926.41
  4. Step 4: Simplify right side
    86,165.31x = 5,698,937,800.22
  5. Step 5: Solve for x
    x = 5,698,937,800.22/86,165.31
  6. Step 6: Final answer
    x = 66,139.58

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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.