Home / 110,824.40-152,779.56-68,354.48

Finding the Fourth Proportional to 110,824.40, 152,779.56 and 68,354.48

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Solution

The fourth proportional to 110,824.40, 152,779.56 and 68,354.48 is: 94,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824.40 : 152,779.56 = 68,354.48 : x
  2. Step 2: Convert to fraction form
    110,824.40/152,779.56 = 68,354.48/x
  3. Step 3: Cross multiply
    110,824.40x = 152,779.56 × 68,354.48
  4. Step 4: Simplify right side
    110,824.40x = 10,443,167,378.43
  5. Step 5: Solve for x
    x = 10,443,167,378.43/110,824.40
  6. Step 6: Final answer
    x = 94,231.66

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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.