Home / 78,512.07-108,344.34-44,523.66

Finding the Fourth Proportional to 78,512.07, 108,344.34 and 44,523.66

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Solution

The fourth proportional to 78,512.07, 108,344.34 and 44,523.66 is: 61,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,512.07 : 108,344.34 = 44,523.66 : x
  2. Step 2: Convert to fraction form
    78,512.07/108,344.34 = 44,523.66/x
  3. Step 3: Cross multiply
    78,512.07x = 108,344.34 × 44,523.66
  4. Step 4: Simplify right side
    78,512.07x = 4,823,886,557.08
  5. Step 5: Solve for x
    x = 4,823,886,557.08/78,512.07
  6. Step 6: Final answer
    x = 61,441.34

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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.