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Finding the Fourth Proportional to 74,718.86, 112,093.77 and 35,254.44

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Solution

The fourth proportional to 74,718.86, 112,093.77 and 35,254.44 is: 52,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.86 : 112,093.77 = 35,254.44 : x
  2. Step 2: Convert to fraction form
    74,718.86/112,093.77 = 35,254.44/x
  3. Step 3: Cross multiply
    74,718.86x = 112,093.77 × 35,254.44
  4. Step 4: Simplify right side
    74,718.86x = 3,951,803,221.04
  5. Step 5: Solve for x
    x = 3,951,803,221.04/74,718.86
  6. Step 6: Final answer
    x = 52,888.97

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1.5x scale

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.