Home / 78,516.30-108,314.34-46,662.66

Finding the Fourth Proportional to 78,516.30, 108,314.34 and 46,662.66

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Solution

The fourth proportional to 78,516.30, 108,314.34 and 46,662.66 is: 64,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,516.30 : 108,314.34 = 46,662.66 : x
  2. Step 2: Convert to fraction form
    78,516.30/108,314.34 = 46,662.66/x
  3. Step 3: Cross multiply
    78,516.30x = 108,314.34 × 46,662.66
  4. Step 4: Simplify right side
    78,516.30x = 5,054,235,220.54
  5. Step 5: Solve for x
    x = 5,054,235,220.54/78,516.30
  6. Step 6: Final answer
    x = 64,371.80

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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.