Home / 75,061.62-112,563.90-30,664.53

Finding the Fourth Proportional to 75,061.62, 112,563.90 and 30,664.53

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Solution

The fourth proportional to 75,061.62, 112,563.90 and 30,664.53 is: 45,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.62 : 112,563.90 = 30,664.53 : x
  2. Step 2: Convert to fraction form
    75,061.62/112,563.90 = 30,664.53/x
  3. Step 3: Cross multiply
    75,061.62x = 112,563.90 × 30,664.53
  4. Step 4: Simplify right side
    75,061.62x = 3,451,719,088.47
  5. Step 5: Solve for x
    x = 3,451,719,088.47/75,061.62
  6. Step 6: Final answer
    x = 45,985.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.