Home / 90,491.20-124,877.94-52,772.74

Finding the Fourth Proportional to 90,491.20, 124,877.94 and 52,772.74

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Solution

The fourth proportional to 90,491.20, 124,877.94 and 52,772.74 is: 72,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,491.20 : 124,877.94 = 52,772.74 : x
  2. Step 2: Convert to fraction form
    90,491.20/124,877.94 = 52,772.74/x
  3. Step 3: Cross multiply
    90,491.20x = 124,877.94 × 52,772.74
  4. Step 4: Simplify right side
    90,491.20x = 6,590,151,059.36
  5. Step 5: Solve for x
    x = 6,590,151,059.36/90,491.20
  6. Step 6: Final answer
    x = 72,826.43

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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.