Home / 109,242.72-150,733.44-61,498.08

Finding the Fourth Proportional to 109,242.72, 150,733.44 and 61,498.08

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Solution

The fourth proportional to 109,242.72, 150,733.44 and 61,498.08 is: 84,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242.72 : 150,733.44 = 61,498.08 : x
  2. Step 2: Convert to fraction form
    109,242.72/150,733.44 = 61,498.08/x
  3. Step 3: Cross multiply
    109,242.72x = 150,733.44 × 61,498.08
  4. Step 4: Simplify right side
    109,242.72x = 9,269,817,151.80
  5. Step 5: Solve for x
    x = 9,269,817,151.80/109,242.72
  6. Step 6: Final answer
    x = 84,855.24

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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.