Home / 74,460.42-102,756.40-40,469.58

Finding the Fourth Proportional to 74,460.42, 102,756.40 and 40,469.58

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Solution

The fourth proportional to 74,460.42, 102,756.40 and 40,469.58 is: 55,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.42 : 102,756.40 = 40,469.58 : x
  2. Step 2: Convert to fraction form
    74,460.42/102,756.40 = 40,469.58/x
  3. Step 3: Cross multiply
    74,460.42x = 102,756.40 × 40,469.58
  4. Step 4: Simplify right side
    74,460.42x = 4,158,508,350.31
  5. Step 5: Solve for x
    x = 4,158,508,350.31/74,460.42
  6. Step 6: Final answer
    x = 55,848.57

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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.