Home / 64,355.18-96,487.96-28,314.18

Finding the Fourth Proportional to 64,355.18, 96,487.96 and 28,314.18

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Solution

The fourth proportional to 64,355.18, 96,487.96 and 28,314.18 is: 42,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.18 : 96,487.96 = 28,314.18 : x
  2. Step 2: Convert to fraction form
    64,355.18/96,487.96 = 28,314.18/x
  3. Step 3: Cross multiply
    64,355.18x = 96,487.96 × 28,314.18
  4. Step 4: Simplify right side
    64,355.18x = 2,731,977,467.27
  5. Step 5: Solve for x
    x = 2,731,977,467.27/64,355.18
  6. Step 6: Final answer
    x = 42,451.56

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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.