Home / 78,472.08-108,301.32-50,167.44

Finding the Fourth Proportional to 78,472.08, 108,301.32 and 50,167.44

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Solution

The fourth proportional to 78,472.08, 108,301.32 and 50,167.44 is: 69,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,472.08 : 108,301.32 = 50,167.44 : x
  2. Step 2: Convert to fraction form
    78,472.08/108,301.32 = 50,167.44/x
  3. Step 3: Cross multiply
    78,472.08x = 108,301.32 × 50,167.44
  4. Step 4: Simplify right side
    78,472.08x = 5,433,199,973.02
  5. Step 5: Solve for x
    x = 5,433,199,973.02/78,472.08
  6. Step 6: Final answer
    x = 69,237.36

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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.