Home / 77,703.27-116,476.47-30,288.75

Finding the Fourth Proportional to 77,703.27, 116,476.47 and 30,288.75

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Solution

The fourth proportional to 77,703.27, 116,476.47 and 30,288.75 is: 45,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.27 : 116,476.47 = 30,288.75 : x
  2. Step 2: Convert to fraction form
    77,703.27/116,476.47 = 30,288.75/x
  3. Step 3: Cross multiply
    77,703.27x = 116,476.47 × 30,288.75
  4. Step 4: Simplify right side
    77,703.27x = 3,527,926,680.71
  5. Step 5: Solve for x
    x = 3,527,926,680.71/77,703.27
  6. Step 6: Final answer
    x = 45,402.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.