Home / 74,364.37-102,622.95-40,372.85

Finding the Fourth Proportional to 74,364.37, 102,622.95 and 40,372.85

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Solution

The fourth proportional to 74,364.37, 102,622.95 and 40,372.85 is: 55,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.37 : 102,622.95 = 40,372.85 : x
  2. Step 2: Convert to fraction form
    74,364.37/102,622.95 = 40,372.85/x
  3. Step 3: Cross multiply
    74,364.37x = 102,622.95 × 40,372.85
  4. Step 4: Simplify right side
    74,364.37x = 4,143,181,223.46
  5. Step 5: Solve for x
    x = 4,143,181,223.46/74,364.37
  6. Step 6: Final answer
    x = 55,714.60

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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.