Home / 98,842.74-136,403.24-53,521.28

Finding the Fourth Proportional to 98,842.74, 136,403.24 and 53,521.28

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Solution

The fourth proportional to 98,842.74, 136,403.24 and 53,521.28 is: 73,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,842.74 : 136,403.24 = 53,521.28 : x
  2. Step 2: Convert to fraction form
    98,842.74/136,403.24 = 53,521.28/x
  3. Step 3: Cross multiply
    98,842.74x = 136,403.24 × 53,521.28
  4. Step 4: Simplify right side
    98,842.74x = 7,300,476,074.35
  5. Step 5: Solve for x
    x = 7,300,476,074.35/98,842.74
  6. Step 6: Final answer
    x = 73,859.51

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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.