Home / 98,623.42-136,067.07-56,151.88

Finding the Fourth Proportional to 98,623.42, 136,067.07 and 56,151.88

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Solution

The fourth proportional to 98,623.42, 136,067.07 and 56,151.88 is: 77,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.42 : 136,067.07 = 56,151.88 : x
  2. Step 2: Convert to fraction form
    98,623.42/136,067.07 = 56,151.88/x
  3. Step 3: Cross multiply
    98,623.42x = 136,067.07 × 56,151.88
  4. Step 4: Simplify right side
    98,623.42x = 7,640,421,656.99
  5. Step 5: Solve for x
    x = 7,640,421,656.99/98,623.42
  6. Step 6: Final answer
    x = 77,470.66

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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.