Home / 109,500.48-151,110-59,199.36

Finding the Fourth Proportional to 109,500.48, 151,110 and 59,199.36

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Solution

The fourth proportional to 109,500.48, 151,110 and 59,199.36 is: 81,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,500.48 : 151,110 = 59,199.36 : x
  2. Step 2: Convert to fraction form
    109,500.48/151,110 = 59,199.36/x
  3. Step 3: Cross multiply
    109,500.48x = 151,110 × 59,199.36
  4. Step 4: Simplify right side
    109,500.48x = 8,945,615,289.60
  5. Step 5: Solve for x
    x = 8,945,615,289.60/109,500.48
  6. Step 6: Final answer
    x = 81,694.76

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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.