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Finding the Fourth Proportional to 65,462.08, 98,192.48 and 39,174.08

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Solution

The fourth proportional to 65,462.08, 98,192.48 and 39,174.08 is: 58,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,462.08 : 98,192.48 = 39,174.08 : x
  2. Step 2: Convert to fraction form
    65,462.08/98,192.48 = 39,174.08/x
  3. Step 3: Cross multiply
    65,462.08x = 98,192.48 × 39,174.08
  4. Step 4: Simplify right side
    65,462.08x = 3,846,600,066.92
  5. Step 5: Solve for x
    x = 3,846,600,066.92/65,462.08
  6. Step 6: Final answer
    x = 58,760.74

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1.5x scale

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.