Home / 74,124.83-102,291.03-40,133.04

Finding the Fourth Proportional to 74,124.83, 102,291.03 and 40,133.04

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Solution

The fourth proportional to 74,124.83, 102,291.03 and 40,133.04 is: 55,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.83 : 102,291.03 = 40,133.04 : x
  2. Step 2: Convert to fraction form
    74,124.83/102,291.03 = 40,133.04/x
  3. Step 3: Cross multiply
    74,124.83x = 102,291.03 × 40,133.04
  4. Step 4: Simplify right side
    74,124.83x = 4,105,249,998.63
  5. Step 5: Solve for x
    x = 4,105,249,998.63/74,124.83
  6. Step 6: Final answer
    x = 55,382.93

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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.