Home / 84,007.85-125,911.60-58,569.80

Finding the Fourth Proportional to 84,007.85, 125,911.60 and 58,569.80

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Solution

The fourth proportional to 84,007.85, 125,911.60 and 58,569.80 is: 87,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.85 : 125,911.60 = 58,569.80 : x
  2. Step 2: Convert to fraction form
    84,007.85/125,911.60 = 58,569.80/x
  3. Step 3: Cross multiply
    84,007.85x = 125,911.60 × 58,569.80
  4. Step 4: Simplify right side
    84,007.85x = 7,374,616,453.70
  5. Step 5: Solve for x
    x = 7,374,616,453.70/84,007.85
  6. Step 6: Final answer
    x = 87,784.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.