Home / 83,238.22-114,869.10-45,513.28

Finding the Fourth Proportional to 83,238.22, 114,869.10 and 45,513.28

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Solution

The fourth proportional to 83,238.22, 114,869.10 and 45,513.28 is: 62,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,238.22 : 114,869.10 = 45,513.28 : x
  2. Step 2: Convert to fraction form
    83,238.22/114,869.10 = 45,513.28/x
  3. Step 3: Cross multiply
    83,238.22x = 114,869.10 × 45,513.28
  4. Step 4: Simplify right side
    83,238.22x = 5,228,069,511.65
  5. Step 5: Solve for x
    x = 5,228,069,511.65/83,238.22
  6. Step 6: Final answer
    x = 62,808.52

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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.