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Finding the Fourth Proportional to 73,465.48, 110,239.74 and 31,341.57

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Solution

The fourth proportional to 73,465.48, 110,239.74 and 31,341.57 is: 47,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,465.48 : 110,239.74 = 31,341.57 : x
  2. Step 2: Convert to fraction form
    73,465.48/110,239.74 = 31,341.57/x
  3. Step 3: Cross multiply
    73,465.48x = 110,239.74 × 31,341.57
  4. Step 4: Simplify right side
    73,465.48x = 3,455,086,371.28
  5. Step 5: Solve for x
    x = 3,455,086,371.28/73,465.48
  6. Step 6: Final answer
    x = 47,030.07

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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.