Home / 81,192.74-112,046.43-45,384.26

Finding the Fourth Proportional to 81,192.74, 112,046.43 and 45,384.26

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Solution

The fourth proportional to 81,192.74, 112,046.43 and 45,384.26 is: 62,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.74 : 112,046.43 = 45,384.26 : x
  2. Step 2: Convert to fraction form
    81,192.74/112,046.43 = 45,384.26/x
  3. Step 3: Cross multiply
    81,192.74x = 112,046.43 × 45,384.26
  4. Step 4: Simplify right side
    81,192.74x = 5,085,144,311.19
  5. Step 5: Solve for x
    x = 5,085,144,311.19/81,192.74
  6. Step 6: Final answer
    x = 62,630.53

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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.