Home / 82,529.50-113,916.64-52,721.50

Finding the Fourth Proportional to 82,529.50, 113,916.64 and 52,721.50

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Solution

The fourth proportional to 82,529.50, 113,916.64 and 52,721.50 is: 72,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,529.50 : 113,916.64 = 52,721.50 : x
  2. Step 2: Convert to fraction form
    82,529.50/113,916.64 = 52,721.50/x
  3. Step 3: Cross multiply
    82,529.50x = 113,916.64 × 52,721.50
  4. Step 4: Simplify right side
    82,529.50x = 6,005,856,135.76
  5. Step 5: Solve for x
    x = 6,005,856,135.76/82,529.50
  6. Step 6: Final answer
    x = 72,772.23

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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.