Home / 109,508.36-151,121.38-59,207.24

Finding the Fourth Proportional to 109,508.36, 151,121.38 and 59,207.24

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Solution

The fourth proportional to 109,508.36, 151,121.38 and 59,207.24 is: 81,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,508.36 : 151,121.38 = 59,207.24 : x
  2. Step 2: Convert to fraction form
    109,508.36/151,121.38 = 59,207.24/x
  3. Step 3: Cross multiply
    109,508.36x = 151,121.38 × 59,207.24
  4. Step 4: Simplify right side
    109,508.36x = 8,947,479,814.79
  5. Step 5: Solve for x
    x = 8,947,479,814.79/109,508.36
  6. Step 6: Final answer
    x = 81,705.91

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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.