Home / 109,727.60-151,424.09-59,426.60

Finding the Fourth Proportional to 109,727.60, 151,424.09 and 59,426.60

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Solution

The fourth proportional to 109,727.60, 151,424.09 and 59,426.60 is: 82,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.60 : 151,424.09 = 59,426.60 : x
  2. Step 2: Convert to fraction form
    109,727.60/151,424.09 = 59,426.60/x
  3. Step 3: Cross multiply
    109,727.60x = 151,424.09 × 59,426.60
  4. Step 4: Simplify right side
    109,727.60x = 8,998,618,826.79
  5. Step 5: Solve for x
    x = 8,998,618,826.79/109,727.60
  6. Step 6: Final answer
    x = 82,008.71

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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.