Home / 86,113.11-118,845.29-50,314.76

Finding the Fourth Proportional to 86,113.11, 118,845.29 and 50,314.76

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Solution

The fourth proportional to 86,113.11, 118,845.29 and 50,314.76 is: 69,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.11 : 118,845.29 = 50,314.76 : x
  2. Step 2: Convert to fraction form
    86,113.11/118,845.29 = 50,314.76/x
  3. Step 3: Cross multiply
    86,113.11x = 118,845.29 × 50,314.76
  4. Step 4: Simplify right side
    86,113.11x = 5,979,672,243.48
  5. Step 5: Solve for x
    x = 5,979,672,243.48/86,113.11
  6. Step 6: Final answer
    x = 69,439.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.