Home / 77,706.34-107,224.66-43,713.68

Finding the Fourth Proportional to 77,706.34, 107,224.66 and 43,713.68

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Solution

The fourth proportional to 77,706.34, 107,224.66 and 43,713.68 is: 60,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.34 : 107,224.66 = 43,713.68 : x
  2. Step 2: Convert to fraction form
    77,706.34/107,224.66 = 43,713.68/x
  3. Step 3: Cross multiply
    77,706.34x = 107,224.66 × 43,713.68
  4. Step 4: Simplify right side
    77,706.34x = 4,687,183,720.66
  5. Step 5: Solve for x
    x = 4,687,183,720.66/77,706.34
  6. Step 6: Final answer
    x = 60,319.20

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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.