Home / 48,115.35-71,802.09-42,284.52

Finding the Fourth Proportional to 48,115.35, 71,802.09 and 42,284.52

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Solution

The fourth proportional to 48,115.35, 71,802.09 and 42,284.52 is: 63,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.35 : 71,802.09 = 42,284.52 : x
  2. Step 2: Convert to fraction form
    48,115.35/71,802.09 = 42,284.52/x
  3. Step 3: Cross multiply
    48,115.35x = 71,802.09 × 42,284.52
  4. Step 4: Simplify right side
    48,115.35x = 3,036,116,910.65
  5. Step 5: Solve for x
    x = 3,036,116,910.65/48,115.35
  6. Step 6: Final answer
    x = 63,100.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.