Home / 88,288.50-121,838.58-48,002.58

Finding the Fourth Proportional to 88,288.50, 121,838.58 and 48,002.58

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Solution

The fourth proportional to 88,288.50, 121,838.58 and 48,002.58 is: 66,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,288.50 : 121,838.58 = 48,002.58 : x
  2. Step 2: Convert to fraction form
    88,288.50/121,838.58 = 48,002.58/x
  3. Step 3: Cross multiply
    88,288.50x = 121,838.58 × 48,002.58
  4. Step 4: Simplify right side
    88,288.50x = 5,848,566,183.54
  5. Step 5: Solve for x
    x = 5,848,566,183.54/88,288.50
  6. Step 6: Final answer
    x = 66,243.81

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1.5x scale

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.