Home / 83,320.70-114,862.95-59,405.85

Finding the Fourth Proportional to 83,320.70, 114,862.95 and 59,405.85

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Solution

The fourth proportional to 83,320.70, 114,862.95 and 59,405.85 is: 81,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.70 : 114,862.95 = 59,405.85 : x
  2. Step 2: Convert to fraction form
    83,320.70/114,862.95 = 59,405.85/x
  3. Step 3: Cross multiply
    83,320.70x = 114,862.95 × 59,405.85
  4. Step 4: Simplify right side
    83,320.70x = 6,823,531,178.26
  5. Step 5: Solve for x
    x = 6,823,531,178.26/83,320.70
  6. Step 6: Final answer
    x = 81,894.79

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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.