Home / 92,014.29-138,021.22-28,839.23

Finding the Fourth Proportional to 92,014.29, 138,021.22 and 28,839.23

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Solution

The fourth proportional to 92,014.29, 138,021.22 and 28,839.23 is: 43,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,014.29 : 138,021.22 = 28,839.23 : x
  2. Step 2: Convert to fraction form
    92,014.29/138,021.22 = 28,839.23/x
  3. Step 3: Cross multiply
    92,014.29x = 138,021.22 × 28,839.23
  4. Step 4: Simplify right side
    92,014.29x = 3,980,425,151.61
  5. Step 5: Solve for x
    x = 3,980,425,151.61/92,014.29
  6. Step 6: Final answer
    x = 43,258.77

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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.