Home / 109,097.18-150,536.54-61,347.68

Finding the Fourth Proportional to 109,097.18, 150,536.54 and 61,347.68

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Solution

The fourth proportional to 109,097.18, 150,536.54 and 61,347.68 is: 84,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.18 : 150,536.54 = 61,347.68 : x
  2. Step 2: Convert to fraction form
    109,097.18/150,536.54 = 61,347.68/x
  3. Step 3: Cross multiply
    109,097.18x = 150,536.54 × 61,347.68
  4. Step 4: Simplify right side
    109,097.18x = 9,235,067,449.43
  5. Step 5: Solve for x
    x = 9,235,067,449.43/109,097.18
  6. Step 6: Final answer
    x = 84,649.92

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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.