Home / 83,328.35-114,920.73-57,877.11

Finding the Fourth Proportional to 83,328.35, 114,920.73 and 57,877.11

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Solution

The fourth proportional to 83,328.35, 114,920.73 and 57,877.11 is: 79,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328.35 : 114,920.73 = 57,877.11 : x
  2. Step 2: Convert to fraction form
    83,328.35/114,920.73 = 57,877.11/x
  3. Step 3: Cross multiply
    83,328.35x = 114,920.73 × 57,877.11
  4. Step 4: Simplify right side
    83,328.35x = 6,651,279,731.49
  5. Step 5: Solve for x
    x = 6,651,279,731.49/83,328.35
  6. Step 6: Final answer
    x = 79,820.13

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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.