Home / 67,509.06-93,121.29-47,336.82

Finding the Fourth Proportional to 67,509.06, 93,121.29 and 47,336.82

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Solution

The fourth proportional to 67,509.06, 93,121.29 and 47,336.82 is: 65,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.06 : 93,121.29 = 47,336.82 : x
  2. Step 2: Convert to fraction form
    67,509.06/93,121.29 = 47,336.82/x
  3. Step 3: Cross multiply
    67,509.06x = 93,121.29 × 47,336.82
  4. Step 4: Simplify right side
    67,509.06x = 4,408,065,742.90
  5. Step 5: Solve for x
    x = 4,408,065,742.90/67,509.06
  6. Step 6: Final answer
    x = 65,295.91

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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.