Home / 83,360.69-115,037.75-45,634.94

Finding the Fourth Proportional to 83,360.69, 115,037.75 and 45,634.94

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Solution

The fourth proportional to 83,360.69, 115,037.75 and 45,634.94 is: 62,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360.69 : 115,037.75 = 45,634.94 : x
  2. Step 2: Convert to fraction form
    83,360.69/115,037.75 = 45,634.94/x
  3. Step 3: Cross multiply
    83,360.69x = 115,037.75 × 45,634.94
  4. Step 4: Simplify right side
    83,360.69x = 5,249,740,818.99
  5. Step 5: Solve for x
    x = 5,249,740,818.99/83,360.69
  6. Step 6: Final answer
    x = 62,976.22

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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.