Home / 72,323.42-108,555.21-34,909.79

Finding the Fourth Proportional to 72,323.42, 108,555.21 and 34,909.79

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Solution

The fourth proportional to 72,323.42, 108,555.21 and 34,909.79 is: 52,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,323.42 : 108,555.21 = 34,909.79 : x
  2. Step 2: Convert to fraction form
    72,323.42/108,555.21 = 34,909.79/x
  3. Step 3: Cross multiply
    72,323.42x = 108,555.21 × 34,909.79
  4. Step 4: Simplify right side
    72,323.42x = 3,789,639,041.73
  5. Step 5: Solve for x
    x = 3,789,639,041.73/72,323.42
  6. Step 6: Final answer
    x = 52,398.51

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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.