Home / 137,064.72-205,618.84-48,345.36

Finding the Fourth Proportional to 137,064.72, 205,618.84 and 48,345.36

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Solution

The fourth proportional to 137,064.72, 205,618.84 and 48,345.36 is: 72,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,064.72 : 205,618.84 = 48,345.36 : x
  2. Step 2: Convert to fraction form
    137,064.72/205,618.84 = 48,345.36/x
  3. Step 3: Cross multiply
    137,064.72x = 205,618.84 × 48,345.36
  4. Step 4: Simplify right side
    137,064.72x = 9,940,716,842.58
  5. Step 5: Solve for x
    x = 9,940,716,842.58/137,064.72
  6. Step 6: Final answer
    x = 72,525.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.