Home / 77,706.66-107,235.03-43,715.16

Finding the Fourth Proportional to 77,706.66, 107,235.03 and 43,715.16

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Solution

The fourth proportional to 77,706.66, 107,235.03 and 43,715.16 is: 60,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.66 : 107,235.03 = 43,715.16 : x
  2. Step 2: Convert to fraction form
    77,706.66/107,235.03 = 43,715.16/x
  3. Step 3: Cross multiply
    77,706.66x = 107,235.03 × 43,715.16
  4. Step 4: Simplify right side
    77,706.66x = 4,687,796,494.05
  5. Step 5: Solve for x
    x = 4,687,796,494.05/77,706.66
  6. Step 6: Final answer
    x = 60,326.83

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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.