Home / 92,786.43-139,111.51-29,570.19

Finding the Fourth Proportional to 92,786.43, 139,111.51 and 29,570.19

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Solution

The fourth proportional to 92,786.43, 139,111.51 and 29,570.19 is: 44,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.43 : 139,111.51 = 29,570.19 : x
  2. Step 2: Convert to fraction form
    92,786.43/139,111.51 = 29,570.19/x
  3. Step 3: Cross multiply
    92,786.43x = 139,111.51 × 29,570.19
  4. Step 4: Simplify right side
    92,786.43x = 4,113,553,781.89
  5. Step 5: Solve for x
    x = 4,113,553,781.89/92,786.43
  6. Step 6: Final answer
    x = 44,333.57

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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.