Home / 72,972.28-100,703.01-44,292.61

Finding the Fourth Proportional to 72,972.28, 100,703.01 and 44,292.61

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Solution

The fourth proportional to 72,972.28, 100,703.01 and 44,292.61 is: 61,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,972.28 : 100,703.01 = 44,292.61 : x
  2. Step 2: Convert to fraction form
    72,972.28/100,703.01 = 44,292.61/x
  3. Step 3: Cross multiply
    72,972.28x = 100,703.01 × 44,292.61
  4. Step 4: Simplify right side
    72,972.28x = 4,460,399,147.76
  5. Step 5: Solve for x
    x = 4,460,399,147.76/72,972.28
  6. Step 6: Final answer
    x = 61,124.57

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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.