Home / 64,579.32-96,688.53-34,890.78

Finding the Fourth Proportional to 64,579.32, 96,688.53 and 34,890.78

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Solution

The fourth proportional to 64,579.32, 96,688.53 and 34,890.78 is: 52,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.32 : 96,688.53 = 34,890.78 : x
  2. Step 2: Convert to fraction form
    64,579.32/96,688.53 = 34,890.78/x
  3. Step 3: Cross multiply
    64,579.32x = 96,688.53 × 34,890.78
  4. Step 4: Simplify right side
    64,579.32x = 3,373,538,228.75
  5. Step 5: Solve for x
    x = 3,373,538,228.75/64,579.32
  6. Step 6: Final answer
    x = 52,238.68

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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.