Home / 72,933.55-109,398.22-39,863.07

Finding the Fourth Proportional to 72,933.55, 109,398.22 and 39,863.07

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Solution

The fourth proportional to 72,933.55, 109,398.22 and 39,863.07 is: 59,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,933.55 : 109,398.22 = 39,863.07 : x
  2. Step 2: Convert to fraction form
    72,933.55/109,398.22 = 39,863.07/x
  3. Step 3: Cross multiply
    72,933.55x = 109,398.22 × 39,863.07
  4. Step 4: Simplify right side
    72,933.55x = 4,360,948,802.08
  5. Step 5: Solve for x
    x = 4,360,948,802.08/72,933.55
  6. Step 6: Final answer
    x = 59,793.46

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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.