Home / 110,721.35-152,803.91-62,971.85

Finding the Fourth Proportional to 110,721.35, 152,803.91 and 62,971.85

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Solution

The fourth proportional to 110,721.35, 152,803.91 and 62,971.85 is: 86,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.35 : 152,803.91 = 62,971.85 : x
  2. Step 2: Convert to fraction form
    110,721.35/152,803.91 = 62,971.85/x
  3. Step 3: Cross multiply
    110,721.35x = 152,803.91 × 62,971.85
  4. Step 4: Simplify right side
    110,721.35x = 9,622,344,293.34
  5. Step 5: Solve for x
    x = 9,622,344,293.34/110,721.35
  6. Step 6: Final answer
    x = 86,905.96

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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.