Home / 88,939.54-133,419.30-29,779.30

Finding the Fourth Proportional to 88,939.54, 133,419.30 and 29,779.30

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Solution

The fourth proportional to 88,939.54, 133,419.30 and 29,779.30 is: 44,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,939.54 : 133,419.30 = 29,779.30 : x
  2. Step 2: Convert to fraction form
    88,939.54/133,419.30 = 29,779.30/x
  3. Step 3: Cross multiply
    88,939.54x = 133,419.30 × 29,779.30
  4. Step 4: Simplify right side
    88,939.54x = 3,973,133,360.49
  5. Step 5: Solve for x
    x = 3,973,133,360.49/88,939.54
  6. Step 6: Final answer
    x = 44,672.29

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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.