Home / 110,932.78-153,069.52-63,187.06

Finding the Fourth Proportional to 110,932.78, 153,069.52 and 63,187.06

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Solution

The fourth proportional to 110,932.78, 153,069.52 and 63,187.06 is: 87,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,932.78 : 153,069.52 = 63,187.06 : x
  2. Step 2: Convert to fraction form
    110,932.78/153,069.52 = 63,187.06/x
  3. Step 3: Cross multiply
    110,932.78x = 153,069.52 × 63,187.06
  4. Step 4: Simplify right side
    110,932.78x = 9,672,012,944.41
  5. Step 5: Solve for x
    x = 9,672,012,944.41/110,932.78
  6. Step 6: Final answer
    x = 87,188.05

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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.