Home / 97,727.82-134,870.36-54,706.47

Finding the Fourth Proportional to 97,727.82, 134,870.36 and 54,706.47

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Solution

The fourth proportional to 97,727.82, 134,870.36 and 54,706.47 is: 75,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,727.82 : 134,870.36 = 54,706.47 : x
  2. Step 2: Convert to fraction form
    97,727.82/134,870.36 = 54,706.47/x
  3. Step 3: Cross multiply
    97,727.82x = 134,870.36 × 54,706.47
  4. Step 4: Simplify right side
    97,727.82x = 7,378,281,029.70
  5. Step 5: Solve for x
    x = 7,378,281,029.70/97,727.82
  6. Step 6: Final answer
    x = 75,498.27

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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.