Home / 74,125.83-102,292.41-40,134.04

Finding the Fourth Proportional to 74,125.83, 102,292.41 and 40,134.04

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Solution

The fourth proportional to 74,125.83, 102,292.41 and 40,134.04 is: 55,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.83 : 102,292.41 = 40,134.04 : x
  2. Step 2: Convert to fraction form
    74,125.83/102,292.41 = 40,134.04/x
  3. Step 3: Cross multiply
    74,125.83x = 102,292.41 × 40,134.04
  4. Step 4: Simplify right side
    74,125.83x = 4,105,407,674.64
  5. Step 5: Solve for x
    x = 4,105,407,674.64/74,125.83
  6. Step 6: Final answer
    x = 55,384.31

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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.