Home / 72,205.79-108,262.55-34,691.23

Finding the Fourth Proportional to 72,205.79, 108,262.55 and 34,691.23

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Solution

The fourth proportional to 72,205.79, 108,262.55 and 34,691.23 is: 52,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,205.79 : 108,262.55 = 34,691.23 : x
  2. Step 2: Convert to fraction form
    72,205.79/108,262.55 = 34,691.23/x
  3. Step 3: Cross multiply
    72,205.79x = 108,262.55 × 34,691.23
  4. Step 4: Simplify right side
    72,205.79x = 3,755,760,307.67
  5. Step 5: Solve for x
    x = 3,755,760,307.67/72,205.79
  6. Step 6: Final answer
    x = 52,014.67

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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.