Home / 74,124.90-102,292.43-40,133.41

Finding the Fourth Proportional to 74,124.90, 102,292.43 and 40,133.41

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Solution

The fourth proportional to 74,124.90, 102,292.43 and 40,133.41 is: 55,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.90 : 102,292.43 = 40,133.41 : x
  2. Step 2: Convert to fraction form
    74,124.90/102,292.43 = 40,133.41/x
  3. Step 3: Cross multiply
    74,124.90x = 102,292.43 × 40,133.41
  4. Step 4: Simplify right side
    74,124.90x = 4,105,344,033.09
  5. Step 5: Solve for x
    x = 4,105,344,033.09/74,124.90
  6. Step 6: Final answer
    x = 55,384.14

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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.