Home / 109,610.50-151,262.63-59,309.50

Finding the Fourth Proportional to 109,610.50, 151,262.63 and 59,309.50

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Solution

The fourth proportional to 109,610.50, 151,262.63 and 59,309.50 is: 81,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.50 : 151,262.63 = 59,309.50 : x
  2. Step 2: Convert to fraction form
    109,610.50/151,262.63 = 59,309.50/x
  3. Step 3: Cross multiply
    109,610.50x = 151,262.63 × 59,309.50
  4. Step 4: Simplify right side
    109,610.50x = 8,971,310,953.99
  5. Step 5: Solve for x
    x = 8,971,310,953.99/109,610.50
  6. Step 6: Final answer
    x = 81,847.19

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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.