Home / 72,289.34-108,433.67-48,222.77

Finding the Fourth Proportional to 72,289.34, 108,433.67 and 48,222.77

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Solution

The fourth proportional to 72,289.34, 108,433.67 and 48,222.77 is: 72,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,289.34 : 108,433.67 = 48,222.77 : x
  2. Step 2: Convert to fraction form
    72,289.34/108,433.67 = 48,222.77/x
  3. Step 3: Cross multiply
    72,289.34x = 108,433.67 × 48,222.77
  4. Step 4: Simplify right side
    72,289.34x = 5,228,972,139.47
  5. Step 5: Solve for x
    x = 5,228,972,139.47/72,289.34
  6. Step 6: Final answer
    x = 72,333.93

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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.