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Finding the Fourth Proportional to 64,098, 88,464.96 and 38,942.64

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Solution

The fourth proportional to 64,098, 88,464.96 and 38,942.64 is: 53,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,098 : 88,464.96 = 38,942.64 : x
  2. Step 2: Convert to fraction form
    64,098/88,464.96 = 38,942.64/x
  3. Step 3: Cross multiply
    64,098x = 88,464.96 × 38,942.64
  4. Step 4: Simplify right side
    64,098x = 3,445,059,089.89
  5. Step 5: Solve for x
    x = 3,445,059,089.89/64,098
  6. Step 6: Final answer
    x = 53,746.75

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1.5x scale

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.