Home / 92,991.51-139,402.22-40,382.01

Finding the Fourth Proportional to 92,991.51, 139,402.22 and 40,382.01

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Solution

The fourth proportional to 92,991.51, 139,402.22 and 40,382.01 is: 60,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,991.51 : 139,402.22 = 40,382.01 : x
  2. Step 2: Convert to fraction form
    92,991.51/139,402.22 = 40,382.01/x
  3. Step 3: Cross multiply
    92,991.51x = 139,402.22 × 40,382.01
  4. Step 4: Simplify right side
    92,991.51x = 5,629,341,640.15
  5. Step 5: Solve for x
    x = 5,629,341,640.15/92,991.51
  6. Step 6: Final answer
    x = 60,536.08

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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.