Home / 82,863.12-114,352.36-45,137.36

Finding the Fourth Proportional to 82,863.12, 114,352.36 and 45,137.36

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Solution

The fourth proportional to 82,863.12, 114,352.36 and 45,137.36 is: 62,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.12 : 114,352.36 = 45,137.36 : x
  2. Step 2: Convert to fraction form
    82,863.12/114,352.36 = 45,137.36/x
  3. Step 3: Cross multiply
    82,863.12x = 114,352.36 × 45,137.36
  4. Step 4: Simplify right side
    82,863.12x = 5,161,563,640.17
  5. Step 5: Solve for x
    x = 5,161,563,640.17/82,863.12
  6. Step 6: Final answer
    x = 62,290.24

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1.5x scale

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.