Home / 102,803.22-141,813.72-62,529.30

Finding the Fourth Proportional to 102,803.22, 141,813.72 and 62,529.30

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Solution

The fourth proportional to 102,803.22, 141,813.72 and 62,529.30 is: 86,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,803.22 : 141,813.72 = 62,529.30 : x
  2. Step 2: Convert to fraction form
    102,803.22/141,813.72 = 62,529.30/x
  3. Step 3: Cross multiply
    102,803.22x = 141,813.72 × 62,529.30
  4. Step 4: Simplify right side
    102,803.22x = 8,867,512,642.00
  5. Step 5: Solve for x
    x = 8,867,512,642.00/102,803.22
  6. Step 6: Final answer
    x = 86,257.15

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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.