Home / 109,572.27-151,228.26-63,624.75

Finding the Fourth Proportional to 109,572.27, 151,228.26 and 63,624.75

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Solution

The fourth proportional to 109,572.27, 151,228.26 and 63,624.75 is: 87,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572.27 : 151,228.26 = 63,624.75 : x
  2. Step 2: Convert to fraction form
    109,572.27/151,228.26 = 63,624.75/x
  3. Step 3: Cross multiply
    109,572.27x = 151,228.26 × 63,624.75
  4. Step 4: Simplify right side
    109,572.27x = 9,621,860,235.44
  5. Step 5: Solve for x
    x = 9,621,860,235.44/109,572.27
  6. Step 6: Final answer
    x = 87,812.91

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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.