Home / 75,287.46-103,897.74-41,299.20

Finding the Fourth Proportional to 75,287.46, 103,897.74 and 41,299.20

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Solution

The fourth proportional to 75,287.46, 103,897.74 and 41,299.20 is: 56,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.46 : 103,897.74 = 41,299.20 : x
  2. Step 2: Convert to fraction form
    75,287.46/103,897.74 = 41,299.20/x
  3. Step 3: Cross multiply
    75,287.46x = 103,897.74 × 41,299.20
  4. Step 4: Simplify right side
    75,287.46x = 4,290,893,543.81
  5. Step 5: Solve for x
    x = 4,290,893,543.81/75,287.46
  6. Step 6: Final answer
    x = 56,993.47

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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.