Home / 92,742.36-139,124.40-29,540.36

Finding the Fourth Proportional to 92,742.36, 139,124.40 and 29,540.36

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Solution

The fourth proportional to 92,742.36, 139,124.40 and 29,540.36 is: 44,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.36 : 139,124.40 = 29,540.36 : x
  2. Step 2: Convert to fraction form
    92,742.36/139,124.40 = 29,540.36/x
  3. Step 3: Cross multiply
    92,742.36x = 139,124.40 × 29,540.36
  4. Step 4: Simplify right side
    92,742.36x = 4,109,784,860.78
  5. Step 5: Solve for x
    x = 4,109,784,860.78/92,742.36
  6. Step 6: Final answer
    x = 44,314.00

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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.