Home / 110,721.13-152,794.32-62,974.42

Finding the Fourth Proportional to 110,721.13, 152,794.32 and 62,974.42

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Solution

The fourth proportional to 110,721.13, 152,794.32 and 62,974.42 is: 86,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.13 : 152,794.32 = 62,974.42 : x
  2. Step 2: Convert to fraction form
    110,721.13/152,794.32 = 62,974.42/x
  3. Step 3: Cross multiply
    110,721.13x = 152,794.32 × 62,974.42
  4. Step 4: Simplify right side
    110,721.13x = 9,622,133,681.29
  5. Step 5: Solve for x
    x = 9,622,133,681.29/110,721.13
  6. Step 6: Final answer
    x = 86,904.22

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1.5x scale

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.