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Finding the Fourth Proportional to 75,064, 103,589.04 and 41,530.72

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Solution

The fourth proportional to 75,064, 103,589.04 and 41,530.72 is: 57,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064 : 103,589.04 = 41,530.72 : x
  2. Step 2: Convert to fraction form
    75,064/103,589.04 = 41,530.72/x
  3. Step 3: Cross multiply
    75,064x = 103,589.04 × 41,530.72
  4. Step 4: Simplify right side
    75,064x = 4,302,127,415.31
  5. Step 5: Solve for x
    x = 4,302,127,415.31/75,064
  6. Step 6: Final answer
    x = 57,312.79

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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.