Home / 84,076.02-126,026.35-31,462.58

Finding the Fourth Proportional to 84,076.02, 126,026.35 and 31,462.58

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Solution

The fourth proportional to 84,076.02, 126,026.35 and 31,462.58 is: 47,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.02 : 126,026.35 = 31,462.58 : x
  2. Step 2: Convert to fraction form
    84,076.02/126,026.35 = 31,462.58/x
  3. Step 3: Cross multiply
    84,076.02x = 126,026.35 × 31,462.58
  4. Step 4: Simplify right side
    84,076.02x = 3,965,114,118.98
  5. Step 5: Solve for x
    x = 3,965,114,118.98/84,076.02
  6. Step 6: Final answer
    x = 47,161.06

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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.