Home / 74,934.08-103,362.72-62,803.52

Finding the Fourth Proportional to 74,934.08, 103,362.72 and 62,803.52

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Solution

The fourth proportional to 74,934.08, 103,362.72 and 62,803.52 is: 86,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.08 : 103,362.72 = 62,803.52 : x
  2. Step 2: Convert to fraction form
    74,934.08/103,362.72 = 62,803.52/x
  3. Step 3: Cross multiply
    74,934.08x = 103,362.72 × 62,803.52
  4. Step 4: Simplify right side
    74,934.08x = 6,491,542,652.77
  5. Step 5: Solve for x
    x = 6,491,542,652.77/74,934.08
  6. Step 6: Final answer
    x = 86,630.04

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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.