Home / 77,083.84-115,555.62-29,668.72

Finding the Fourth Proportional to 77,083.84, 115,555.62 and 29,668.72

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Solution

The fourth proportional to 77,083.84, 115,555.62 and 29,668.72 is: 44,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.84 : 115,555.62 = 29,668.72 : x
  2. Step 2: Convert to fraction form
    77,083.84/115,555.62 = 29,668.72/x
  3. Step 3: Cross multiply
    77,083.84x = 115,555.62 × 29,668.72
  4. Step 4: Simplify right side
    77,083.84x = 3,428,387,334.21
  5. Step 5: Solve for x
    x = 3,428,387,334.21/77,083.84
  6. Step 6: Final answer
    x = 44,476.08

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1.5x scale

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.