Home / 77,322.09-115,968.54-27,400.17

Finding the Fourth Proportional to 77,322.09, 115,968.54 and 27,400.17

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Solution

The fourth proportional to 77,322.09, 115,968.54 and 27,400.17 is: 41,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,322.09 : 115,968.54 = 27,400.17 : x
  2. Step 2: Convert to fraction form
    77,322.09/115,968.54 = 27,400.17/x
  3. Step 3: Cross multiply
    77,322.09x = 115,968.54 × 27,400.17
  4. Step 4: Simplify right side
    77,322.09x = 3,177,557,710.65
  5. Step 5: Solve for x
    x = 3,177,557,710.65/77,322.09
  6. Step 6: Final answer
    x = 41,095.08

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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.