Home / 84,128.01-125,895.81-52,552.94

Finding the Fourth Proportional to 84,128.01, 125,895.81 and 52,552.94

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Solution

The fourth proportional to 84,128.01, 125,895.81 and 52,552.94 is: 78,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128.01 : 125,895.81 = 52,552.94 : x
  2. Step 2: Convert to fraction form
    84,128.01/125,895.81 = 52,552.94/x
  3. Step 3: Cross multiply
    84,128.01x = 125,895.81 × 52,552.94
  4. Step 4: Simplify right side
    84,128.01x = 6,616,194,949.18
  5. Step 5: Solve for x
    x = 6,616,194,949.18/84,128.01
  6. Step 6: Final answer
    x = 78,644.38

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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.