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Finding the Fourth Proportional to 75,061.83, 103,583.19 and 41,069.58

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Solution

The fourth proportional to 75,061.83, 103,583.19 and 41,069.58 is: 56,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.83 : 103,583.19 = 41,069.58 : x
  2. Step 2: Convert to fraction form
    75,061.83/103,583.19 = 41,069.58/x
  3. Step 3: Cross multiply
    75,061.83x = 103,583.19 × 41,069.58
  4. Step 4: Simplify right side
    75,061.83x = 4,254,118,108.36
  5. Step 5: Solve for x
    x = 4,254,118,108.36/75,061.83
  6. Step 6: Final answer
    x = 56,674.85

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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.