Home / 84,261.32-126,356.91-34,307.54

Finding the Fourth Proportional to 84,261.32, 126,356.91 and 34,307.54

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Solution

The fourth proportional to 84,261.32, 126,356.91 and 34,307.54 is: 51,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,261.32 : 126,356.91 = 34,307.54 : x
  2. Step 2: Convert to fraction form
    84,261.32/126,356.91 = 34,307.54/x
  3. Step 3: Cross multiply
    84,261.32x = 126,356.91 × 34,307.54
  4. Step 4: Simplify right side
    84,261.32x = 4,334,994,744.10
  5. Step 5: Solve for x
    x = 4,334,994,744.10/84,261.32
  6. Step 6: Final answer
    x = 51,447.03

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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.