Home / 75,666.04-104,418.12-42,132.04

Finding the Fourth Proportional to 75,666.04, 104,418.12 and 42,132.04

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Solution

The fourth proportional to 75,666.04, 104,418.12 and 42,132.04 is: 58,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.04 : 104,418.12 = 42,132.04 : x
  2. Step 2: Convert to fraction form
    75,666.04/104,418.12 = 42,132.04/x
  3. Step 3: Cross multiply
    75,666.04x = 104,418.12 × 42,132.04
  4. Step 4: Simplify right side
    75,666.04x = 4,399,348,408.56
  5. Step 5: Solve for x
    x = 4,399,348,408.56/75,666.04
  6. Step 6: Final answer
    x = 58,141.65

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1.5x scale

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.