Home / 83,395.44-115,085.54-45,155.02

Finding the Fourth Proportional to 83,395.44, 115,085.54 and 45,155.02

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Solution

The fourth proportional to 83,395.44, 115,085.54 and 45,155.02 is: 62,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.44 : 115,085.54 = 45,155.02 : x
  2. Step 2: Convert to fraction form
    83,395.44/115,085.54 = 45,155.02/x
  3. Step 3: Cross multiply
    83,395.44x = 115,085.54 × 45,155.02
  4. Step 4: Simplify right side
    83,395.44x = 5,196,689,860.41
  5. Step 5: Solve for x
    x = 5,196,689,860.41/83,395.44
  6. Step 6: Final answer
    x = 62,313.84

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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.