Home / 71,664.60-98,897.04-39,836.46

Finding the Fourth Proportional to 71,664.60, 98,897.04 and 39,836.46

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Solution

The fourth proportional to 71,664.60, 98,897.04 and 39,836.46 is: 54,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,664.60 : 98,897.04 = 39,836.46 : x
  2. Step 2: Convert to fraction form
    71,664.60/98,897.04 = 39,836.46/x
  3. Step 3: Cross multiply
    71,664.60x = 98,897.04 × 39,836.46
  4. Step 4: Simplify right side
    71,664.60x = 3,939,707,978.08
  5. Step 5: Solve for x
    x = 3,939,707,978.08/71,664.60
  6. Step 6: Final answer
    x = 54,974.25

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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.