Home / 61,388.12-91,882.38-34,325.81

Finding the Fourth Proportional to 61,388.12, 91,882.38 and 34,325.81

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Solution

The fourth proportional to 61,388.12, 91,882.38 and 34,325.81 is: 51,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.12 : 91,882.38 = 34,325.81 : x
  2. Step 2: Convert to fraction form
    61,388.12/91,882.38 = 34,325.81/x
  3. Step 3: Cross multiply
    61,388.12x = 91,882.38 × 34,325.81
  4. Step 4: Simplify right side
    61,388.12x = 3,153,937,118.23
  5. Step 5: Solve for x
    x = 3,153,937,118.23/61,388.12
  6. Step 6: Final answer
    x = 51,376.99

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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.