Home / 109,822.86-151,561.80-62,080.38

Finding the Fourth Proportional to 109,822.86, 151,561.80 and 62,080.38

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Solution

The fourth proportional to 109,822.86, 151,561.80 and 62,080.38 is: 85,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,822.86 : 151,561.80 = 62,080.38 : x
  2. Step 2: Convert to fraction form
    109,822.86/151,561.80 = 62,080.38/x
  3. Step 3: Cross multiply
    109,822.86x = 151,561.80 × 62,080.38
  4. Step 4: Simplify right side
    109,822.86x = 9,409,014,137.48
  5. Step 5: Solve for x
    x = 9,409,014,137.48/109,822.86
  6. Step 6: Final answer
    x = 85,674.46

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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.