Home / 109,972.70-151,764.09-59,671.70

Finding the Fourth Proportional to 109,972.70, 151,764.09 and 59,671.70

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Solution

The fourth proportional to 109,972.70, 151,764.09 and 59,671.70 is: 82,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.70 : 151,764.09 = 59,671.70 : x
  2. Step 2: Convert to fraction form
    109,972.70/151,764.09 = 59,671.70/x
  3. Step 3: Cross multiply
    109,972.70x = 151,764.09 × 59,671.70
  4. Step 4: Simplify right side
    109,972.70x = 9,056,021,249.25
  5. Step 5: Solve for x
    x = 9,056,021,249.25/109,972.70
  6. Step 6: Final answer
    x = 82,347.90

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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.