Home / 87,884.96-121,280.56-47,598.59

Finding the Fourth Proportional to 87,884.96, 121,280.56 and 47,598.59

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Solution

The fourth proportional to 87,884.96, 121,280.56 and 47,598.59 is: 65,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.96 : 121,280.56 = 47,598.59 : x
  2. Step 2: Convert to fraction form
    87,884.96/121,280.56 = 47,598.59/x
  3. Step 3: Cross multiply
    87,884.96x = 121,280.56 × 47,598.59
  4. Step 4: Simplify right side
    87,884.96x = 5,772,783,834.62
  5. Step 5: Solve for x
    x = 5,772,783,834.62/87,884.96
  6. Step 6: Final answer
    x = 65,685.69

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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.