Home / 78,785.23-108,720.92-46,953.55

Finding the Fourth Proportional to 78,785.23, 108,720.92 and 46,953.55

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Solution

The fourth proportional to 78,785.23, 108,720.92 and 46,953.55 is: 64,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785.23 : 108,720.92 = 46,953.55 : x
  2. Step 2: Convert to fraction form
    78,785.23/108,720.92 = 46,953.55/x
  3. Step 3: Cross multiply
    78,785.23x = 108,720.92 × 46,953.55
  4. Step 4: Simplify right side
    78,785.23x = 5,104,832,609.66
  5. Step 5: Solve for x
    x = 5,104,832,609.66/78,785.23
  6. Step 6: Final answer
    x = 64,794.29

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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.