Home / 77,707.27-107,233.63-43,717.65

Finding the Fourth Proportional to 77,707.27, 107,233.63 and 43,717.65

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Solution

The fourth proportional to 77,707.27, 107,233.63 and 43,717.65 is: 60,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,707.27 : 107,233.63 = 43,717.65 : x
  2. Step 2: Convert to fraction form
    77,707.27/107,233.63 = 43,717.65/x
  3. Step 3: Cross multiply
    77,707.27x = 107,233.63 × 43,717.65
  4. Step 4: Simplify right side
    77,707.27x = 4,688,002,304.57
  5. Step 5: Solve for x
    x = 4,688,002,304.57/77,707.27
  6. Step 6: Final answer
    x = 60,329.01

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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.