Home / 74,329.62-102,571.29-42,502.02

Finding the Fourth Proportional to 74,329.62, 102,571.29 and 42,502.02

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Solution

The fourth proportional to 74,329.62, 102,571.29 and 42,502.02 is: 58,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.62 : 102,571.29 = 42,502.02 : x
  2. Step 2: Convert to fraction form
    74,329.62/102,571.29 = 42,502.02/x
  3. Step 3: Cross multiply
    74,329.62x = 102,571.29 × 42,502.02
  4. Step 4: Simplify right side
    74,329.62x = 4,359,487,019.01
  5. Step 5: Solve for x
    x = 4,359,487,019.01/74,329.62
  6. Step 6: Final answer
    x = 58,650.74

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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.