Home / 84,827.58-127,044.45-81,875.22

Finding the Fourth Proportional to 84,827.58, 127,044.45 and 81,875.22

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Solution

The fourth proportional to 84,827.58, 127,044.45 and 81,875.22 is: 122,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.58 : 127,044.45 = 81,875.22 : x
  2. Step 2: Convert to fraction form
    84,827.58/127,044.45 = 81,875.22/x
  3. Step 3: Cross multiply
    84,827.58x = 127,044.45 × 81,875.22
  4. Step 4: Simplify right side
    84,827.58x = 10,401,792,293.53
  5. Step 5: Solve for x
    x = 10,401,792,293.53/84,827.58
  6. Step 6: Final answer
    x = 122,622.76

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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.