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Finding the Fourth Proportional to 75,341.61, 103,962.42 and 44,709.84

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Solution

The fourth proportional to 75,341.61, 103,962.42 and 44,709.84 is: 61,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.61 : 103,962.42 = 44,709.84 : x
  2. Step 2: Convert to fraction form
    75,341.61/103,962.42 = 44,709.84/x
  3. Step 3: Cross multiply
    75,341.61x = 103,962.42 × 44,709.84
  4. Step 4: Simplify right side
    75,341.61x = 4,648,143,164.21
  5. Step 5: Solve for x
    x = 4,648,143,164.21/75,341.61
  6. Step 6: Final answer
    x = 61,694.24

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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.