Home / 74,416.94-102,696.53-40,426.10

Finding the Fourth Proportional to 74,416.94, 102,696.53 and 40,426.10

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Solution

The fourth proportional to 74,416.94, 102,696.53 and 40,426.10 is: 55,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.94 : 102,696.53 = 40,426.10 : x
  2. Step 2: Convert to fraction form
    74,416.94/102,696.53 = 40,426.10/x
  3. Step 3: Cross multiply
    74,416.94x = 102,696.53 × 40,426.10
  4. Step 4: Simplify right side
    74,416.94x = 4,151,619,677.95
  5. Step 5: Solve for x
    x = 4,151,619,677.95/74,416.94
  6. Step 6: Final answer
    x = 55,788.64

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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.