Home / 64,985.18-89,669.44-36,690.26

Finding the Fourth Proportional to 64,985.18, 89,669.44 and 36,690.26

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Solution

The fourth proportional to 64,985.18, 89,669.44 and 36,690.26 is: 50,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.18 : 89,669.44 = 36,690.26 : x
  2. Step 2: Convert to fraction form
    64,985.18/89,669.44 = 36,690.26/x
  3. Step 3: Cross multiply
    64,985.18x = 89,669.44 × 36,690.26
  4. Step 4: Simplify right side
    64,985.18x = 3,289,995,291.83
  5. Step 5: Solve for x
    x = 3,289,995,291.83/64,985.18
  6. Step 6: Final answer
    x = 50,626.85

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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.