Home / 48,619.09-72,899.44-19,001.62

Finding the Fourth Proportional to 48,619.09, 72,899.44 and 19,001.62

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Solution

The fourth proportional to 48,619.09, 72,899.44 and 19,001.62 is: 28,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.09 : 72,899.44 = 19,001.62 : x
  2. Step 2: Convert to fraction form
    48,619.09/72,899.44 = 19,001.62/x
  3. Step 3: Cross multiply
    48,619.09x = 72,899.44 × 19,001.62
  4. Step 4: Simplify right side
    48,619.09x = 1,385,207,457.09
  5. Step 5: Solve for x
    x = 1,385,207,457.09/48,619.09
  6. Step 6: Final answer
    x = 28,491.02

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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.