Home / 87,815.02-121,183.68-47,527.83

Finding the Fourth Proportional to 87,815.02, 121,183.68 and 47,527.83

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Solution

The fourth proportional to 87,815.02, 121,183.68 and 47,527.83 is: 65,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.02 : 121,183.68 = 47,527.83 : x
  2. Step 2: Convert to fraction form
    87,815.02/121,183.68 = 47,527.83/x
  3. Step 3: Cross multiply
    87,815.02x = 121,183.68 × 47,527.83
  4. Step 4: Simplify right side
    87,815.02x = 5,759,597,341.81
  5. Step 5: Solve for x
    x = 5,759,597,341.81/87,815.02
  6. Step 6: Final answer
    x = 65,587.84

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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.