Home / 107,700.32-161,539.07-28,822.52

Finding the Fourth Proportional to 107,700.32, 161,539.07 and 28,822.52

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Solution

The fourth proportional to 107,700.32, 161,539.07 and 28,822.52 is: 43,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700.32 : 161,539.07 = 28,822.52 : x
  2. Step 2: Convert to fraction form
    107,700.32/161,539.07 = 28,822.52/x
  3. Step 3: Cross multiply
    107,700.32x = 161,539.07 × 28,822.52
  4. Step 4: Simplify right side
    107,700.32x = 4,655,962,124.05
  5. Step 5: Solve for x
    x = 4,655,962,124.05/107,700.32
  6. Step 6: Final answer
    x = 43,230.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.