Home / 109,496.48-151,050.83-70,720.97

Finding the Fourth Proportional to 109,496.48, 151,050.83 and 70,720.97

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Solution

The fourth proportional to 109,496.48, 151,050.83 and 70,720.97 is: 97,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.48 : 151,050.83 = 70,720.97 : x
  2. Step 2: Convert to fraction form
    109,496.48/151,050.83 = 70,720.97/x
  3. Step 3: Cross multiply
    109,496.48x = 151,050.83 × 70,720.97
  4. Step 4: Simplify right side
    109,496.48x = 10,682,460,108.05
  5. Step 5: Solve for x
    x = 10,682,460,108.05/109,496.48
  6. Step 6: Final answer
    x = 97,559.85

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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.