Home / 86,134.41-118,869.45-47,897.83

Finding the Fourth Proportional to 86,134.41, 118,869.45 and 47,897.83

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Solution

The fourth proportional to 86,134.41, 118,869.45 and 47,897.83 is: 66,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,134.41 : 118,869.45 = 47,897.83 : x
  2. Step 2: Convert to fraction form
    86,134.41/118,869.45 = 47,897.83/x
  3. Step 3: Cross multiply
    86,134.41x = 118,869.45 × 47,897.83
  4. Step 4: Simplify right side
    86,134.41x = 5,693,588,113.95
  5. Step 5: Solve for x
    x = 5,693,588,113.95/86,134.41
  6. Step 6: Final answer
    x = 66,101.21

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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.