Home / 73,779.15-110,439.63-39,961.17

Finding the Fourth Proportional to 73,779.15, 110,439.63 and 39,961.17

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Solution

The fourth proportional to 73,779.15, 110,439.63 and 39,961.17 is: 59,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779.15 : 110,439.63 = 39,961.17 : x
  2. Step 2: Convert to fraction form
    73,779.15/110,439.63 = 39,961.17/x
  3. Step 3: Cross multiply
    73,779.15x = 110,439.63 × 39,961.17
  4. Step 4: Simplify right side
    73,779.15x = 4,413,296,829.17
  5. Step 5: Solve for x
    x = 4,413,296,829.17/73,779.15
  6. Step 6: Final answer
    x = 59,817.67

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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.