Home / 81,848.43-112,940.73-51,622.34

Finding the Fourth Proportional to 81,848.43, 112,940.73 and 51,622.34

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Solution

The fourth proportional to 81,848.43, 112,940.73 and 51,622.34 is: 71,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,848.43 : 112,940.73 = 51,622.34 : x
  2. Step 2: Convert to fraction form
    81,848.43/112,940.73 = 51,622.34/x
  3. Step 3: Cross multiply
    81,848.43x = 112,940.73 × 51,622.34
  4. Step 4: Simplify right side
    81,848.43x = 5,830,264,199.20
  5. Step 5: Solve for x
    x = 5,830,264,199.20/81,848.43
  6. Step 6: Final answer
    x = 71,232.45

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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.