Home / 72,625.48-100,217.40-40,793.32

Finding the Fourth Proportional to 72,625.48, 100,217.40 and 40,793.32

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Solution

The fourth proportional to 72,625.48, 100,217.40 and 40,793.32 is: 56,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,625.48 : 100,217.40 = 40,793.32 : x
  2. Step 2: Convert to fraction form
    72,625.48/100,217.40 = 40,793.32/x
  3. Step 3: Cross multiply
    72,625.48x = 100,217.40 × 40,793.32
  4. Step 4: Simplify right side
    72,625.48x = 4,088,200,467.77
  5. Step 5: Solve for x
    x = 4,088,200,467.77/72,625.48
  6. Step 6: Final answer
    x = 56,291.54

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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.