Home / 78,625.11-108,520.83-46,812.18

Finding the Fourth Proportional to 78,625.11, 108,520.83 and 46,812.18

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Solution

The fourth proportional to 78,625.11, 108,520.83 and 46,812.18 is: 64,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,625.11 : 108,520.83 = 46,812.18 : x
  2. Step 2: Convert to fraction form
    78,625.11/108,520.83 = 46,812.18/x
  3. Step 3: Cross multiply
    78,625.11x = 108,520.83 × 46,812.18
  4. Step 4: Simplify right side
    78,625.11x = 5,080,096,627.71
  5. Step 5: Solve for x
    x = 5,080,096,627.71/78,625.11
  6. Step 6: Final answer
    x = 64,611.63

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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.