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Finding the Fourth Proportional to 64,070.96, 88,412.04 and 41,410.64

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Solution

The fourth proportional to 64,070.96, 88,412.04 and 41,410.64 is: 57,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,070.96 : 88,412.04 = 41,410.64 : x
  2. Step 2: Convert to fraction form
    64,070.96/88,412.04 = 41,410.64/x
  3. Step 3: Cross multiply
    64,070.96x = 88,412.04 × 41,410.64
  4. Step 4: Simplify right side
    64,070.96x = 3,661,199,160.11
  5. Step 5: Solve for x
    x = 3,661,199,160.11/64,070.96
  6. Step 6: Final answer
    x = 57,142.88

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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.