Home / 73,045.13-109,579.79-25,647.91

Finding the Fourth Proportional to 73,045.13, 109,579.79 and 25,647.91

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Solution

The fourth proportional to 73,045.13, 109,579.79 and 25,647.91 is: 38,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.13 : 109,579.79 = 25,647.91 : x
  2. Step 2: Convert to fraction form
    73,045.13/109,579.79 = 25,647.91/x
  3. Step 3: Cross multiply
    73,045.13x = 109,579.79 × 25,647.91
  4. Step 4: Simplify right side
    73,045.13x = 2,810,492,237.64
  5. Step 5: Solve for x
    x = 2,810,492,237.64/73,045.13
  6. Step 6: Final answer
    x = 38,476.11

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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.