Home / 107,910.81-148,911.44-59,521.16

Finding the Fourth Proportional to 107,910.81, 148,911.44 and 59,521.16

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Solution

The fourth proportional to 107,910.81, 148,911.44 and 59,521.16 is: 82,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.81 : 148,911.44 = 59,521.16 : x
  2. Step 2: Convert to fraction form
    107,910.81/148,911.44 = 59,521.16/x
  3. Step 3: Cross multiply
    107,910.81x = 148,911.44 × 59,521.16
  4. Step 4: Simplify right side
    107,910.81x = 8,863,381,720.74
  5. Step 5: Solve for x
    x = 8,863,381,720.74/107,910.81
  6. Step 6: Final answer
    x = 82,136.18

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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.