Home / 83,358.36-115,033.74-45,632.52

Finding the Fourth Proportional to 83,358.36, 115,033.74 and 45,632.52

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Solution

The fourth proportional to 83,358.36, 115,033.74 and 45,632.52 is: 62,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.36 : 115,033.74 = 45,632.52 : x
  2. Step 2: Convert to fraction form
    83,358.36/115,033.74 = 45,632.52/x
  3. Step 3: Cross multiply
    83,358.36x = 115,033.74 × 45,632.52
  4. Step 4: Simplify right side
    83,358.36x = 5,249,279,441.22
  5. Step 5: Solve for x
    x = 5,249,279,441.22/83,358.36
  6. Step 6: Final answer
    x = 62,972.44

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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.