Home / 109,601.72-151,252.78-60,543.22

Finding the Fourth Proportional to 109,601.72, 151,252.78 and 60,543.22

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Solution

The fourth proportional to 109,601.72, 151,252.78 and 60,543.22 is: 83,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,601.72 : 151,252.78 = 60,543.22 : x
  2. Step 2: Convert to fraction form
    109,601.72/151,252.78 = 60,543.22/x
  3. Step 3: Cross multiply
    109,601.72x = 151,252.78 × 60,543.22
  4. Step 4: Simplify right side
    109,601.72x = 9,157,330,335.15
  5. Step 5: Solve for x
    x = 9,157,330,335.15/109,601.72
  6. Step 6: Final answer
    x = 83,550.97

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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.