Home / 109,474.05-151,074.11-59,173.05

Finding the Fourth Proportional to 109,474.05, 151,074.11 and 59,173.05

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Solution

The fourth proportional to 109,474.05, 151,074.11 and 59,173.05 is: 81,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,474.05 : 151,074.11 = 59,173.05 : x
  2. Step 2: Convert to fraction form
    109,474.05/151,074.11 = 59,173.05/x
  3. Step 3: Cross multiply
    109,474.05x = 151,074.11 × 59,173.05
  4. Step 4: Simplify right side
    109,474.05x = 8,939,515,864.74
  5. Step 5: Solve for x
    x = 8,939,515,864.74/109,474.05
  6. Step 6: Final answer
    x = 81,658.77

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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.