Home / 74,837.16-112,276.79-32,720.94

Finding the Fourth Proportional to 74,837.16, 112,276.79 and 32,720.94

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Solution

The fourth proportional to 74,837.16, 112,276.79 and 32,720.94 is: 49,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.16 : 112,276.79 = 32,720.94 : x
  2. Step 2: Convert to fraction form
    74,837.16/112,276.79 = 32,720.94/x
  3. Step 3: Cross multiply
    74,837.16x = 112,276.79 × 32,720.94
  4. Step 4: Simplify right side
    74,837.16x = 3,673,802,108.98
  5. Step 5: Solve for x
    x = 3,673,802,108.98/74,837.16
  6. Step 6: Final answer
    x = 49,090.61

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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.