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Finding the Fourth Proportional to 64,482.70, 96,777.35 and 32,916.08

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Solution

The fourth proportional to 64,482.70, 96,777.35 and 32,916.08 is: 49,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.70 : 96,777.35 = 32,916.08 : x
  2. Step 2: Convert to fraction form
    64,482.70/96,777.35 = 32,916.08/x
  3. Step 3: Cross multiply
    64,482.70x = 96,777.35 × 32,916.08
  4. Step 4: Simplify right side
    64,482.70x = 3,185,530,830.21
  5. Step 5: Solve for x
    x = 3,185,530,830.21/64,482.70
  6. Step 6: Final answer
    x = 49,401.33

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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.