Home / 79,521.47-109,737.41-43,706.58

Finding the Fourth Proportional to 79,521.47, 109,737.41 and 43,706.58

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Solution

The fourth proportional to 79,521.47, 109,737.41 and 43,706.58 is: 60,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,521.47 : 109,737.41 = 43,706.58 : x
  2. Step 2: Convert to fraction form
    79,521.47/109,737.41 = 43,706.58/x
  3. Step 3: Cross multiply
    79,521.47x = 109,737.41 × 43,706.58
  4. Step 4: Simplify right side
    79,521.47x = 4,796,246,889.16
  5. Step 5: Solve for x
    x = 4,796,246,889.16/79,521.47
  6. Step 6: Final answer
    x = 60,313.86

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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.