Home / 74,417.23-102,696.54-40,426.39

Finding the Fourth Proportional to 74,417.23, 102,696.54 and 40,426.39

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Solution

The fourth proportional to 74,417.23, 102,696.54 and 40,426.39 is: 55,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.23 : 102,696.54 = 40,426.39 : x
  2. Step 2: Convert to fraction form
    74,417.23/102,696.54 = 40,426.39/x
  3. Step 3: Cross multiply
    74,417.23x = 102,696.54 × 40,426.39
  4. Step 4: Simplify right side
    74,417.23x = 4,151,650,120.95
  5. Step 5: Solve for x
    x = 4,151,650,120.95/74,417.23
  6. Step 6: Final answer
    x = 55,788.83

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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.