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Finding the Fourth Proportional to 63,798.27, 87,894.21 and 45,862.26

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Solution

The fourth proportional to 63,798.27, 87,894.21 and 45,862.26 is: 63,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,798.27 : 87,894.21 = 45,862.26 : x
  2. Step 2: Convert to fraction form
    63,798.27/87,894.21 = 45,862.26/x
  3. Step 3: Cross multiply
    63,798.27x = 87,894.21 × 45,862.26
  4. Step 4: Simplify right side
    63,798.27x = 4,031,027,111.51
  5. Step 5: Solve for x
    x = 4,031,027,111.51/63,798.27
  6. Step 6: Final answer
    x = 63,183.96

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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.