Home / 106,515.36-146,991.78-58,768.74

Finding the Fourth Proportional to 106,515.36, 146,991.78 and 58,768.74

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Solution

The fourth proportional to 106,515.36, 146,991.78 and 58,768.74 is: 81,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,515.36 : 146,991.78 = 58,768.74 : x
  2. Step 2: Convert to fraction form
    106,515.36/146,991.78 = 58,768.74/x
  3. Step 3: Cross multiply
    106,515.36x = 146,991.78 × 58,768.74
  4. Step 4: Simplify right side
    106,515.36x = 8,638,521,700.96
  5. Step 5: Solve for x
    x = 8,638,521,700.96/106,515.36
  6. Step 6: Final answer
    x = 81,101.18

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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.