Home / 71,596.13-98,802.65-39,767.99

Finding the Fourth Proportional to 71,596.13, 98,802.65 and 39,767.99

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Solution

The fourth proportional to 71,596.13, 98,802.65 and 39,767.99 is: 54,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,596.13 : 98,802.65 = 39,767.99 : x
  2. Step 2: Convert to fraction form
    71,596.13/98,802.65 = 39,767.99/x
  3. Step 3: Cross multiply
    71,596.13x = 98,802.65 × 39,767.99
  4. Step 4: Simplify right side
    71,596.13x = 3,929,182,402.58
  5. Step 5: Solve for x
    x = 3,929,182,402.58/71,596.13
  6. Step 6: Final answer
    x = 54,879.82

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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.