Home / 84,237.96-126,314.65-28,058.31

Finding the Fourth Proportional to 84,237.96, 126,314.65 and 28,058.31

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Solution

The fourth proportional to 84,237.96, 126,314.65 and 28,058.31 is: 42,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.96 : 126,314.65 = 28,058.31 : x
  2. Step 2: Convert to fraction form
    84,237.96/126,314.65 = 28,058.31/x
  3. Step 3: Cross multiply
    84,237.96x = 126,314.65 × 28,058.31
  4. Step 4: Simplify right side
    84,237.96x = 3,544,175,607.24
  5. Step 5: Solve for x
    x = 3,544,175,607.24/84,237.96
  6. Step 6: Final answer
    x = 42,073.38

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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.