Home / 77,826.60-116,721.45-35,680.41

Finding the Fourth Proportional to 77,826.60, 116,721.45 and 35,680.41

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Solution

The fourth proportional to 77,826.60, 116,721.45 and 35,680.41 is: 53,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,826.60 : 116,721.45 = 35,680.41 : x
  2. Step 2: Convert to fraction form
    77,826.60/116,721.45 = 35,680.41/x
  3. Step 3: Cross multiply
    77,826.60x = 116,721.45 × 35,680.41
  4. Step 4: Simplify right side
    77,826.60x = 4,164,669,191.79
  5. Step 5: Solve for x
    x = 4,164,669,191.79/77,826.60
  6. Step 6: Final answer
    x = 53,512.16

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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.