Home / 77,784.71-116,701.28-27,865.23

Finding the Fourth Proportional to 77,784.71, 116,701.28 and 27,865.23

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Solution

The fourth proportional to 77,784.71, 116,701.28 and 27,865.23 is: 41,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,784.71 : 116,701.28 = 27,865.23 : x
  2. Step 2: Convert to fraction form
    77,784.71/116,701.28 = 27,865.23/x
  3. Step 3: Cross multiply
    77,784.71x = 116,701.28 × 27,865.23
  4. Step 4: Simplify right side
    77,784.71x = 3,251,907,869.17
  5. Step 5: Solve for x
    x = 3,251,907,869.17/77,784.71
  6. Step 6: Final answer
    x = 41,806.52

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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.