Home / 64,636.27-89,168.11-37,779.91

Finding the Fourth Proportional to 64,636.27, 89,168.11 and 37,779.91

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Solution

The fourth proportional to 64,636.27, 89,168.11 and 37,779.91 is: 52,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,636.27 : 89,168.11 = 37,779.91 : x
  2. Step 2: Convert to fraction form
    64,636.27/89,168.11 = 37,779.91/x
  3. Step 3: Cross multiply
    64,636.27x = 89,168.11 × 37,779.91
  4. Step 4: Simplify right side
    64,636.27x = 3,368,763,170.67
  5. Step 5: Solve for x
    x = 3,368,763,170.67/64,636.27
  6. Step 6: Final answer
    x = 52,118.77

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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.