Home / 86,299.43-129,461.90-44,203.32

Finding the Fourth Proportional to 86,299.43, 129,461.90 and 44,203.32

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Solution

The fourth proportional to 86,299.43, 129,461.90 and 44,203.32 is: 66,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.43 : 129,461.90 = 44,203.32 : x
  2. Step 2: Convert to fraction form
    86,299.43/129,461.90 = 44,203.32/x
  3. Step 3: Cross multiply
    86,299.43x = 129,461.90 × 44,203.32
  4. Step 4: Simplify right side
    86,299.43x = 5,722,645,572.49
  5. Step 5: Solve for x
    x = 5,722,645,572.49/86,299.43
  6. Step 6: Final answer
    x = 66,311.51

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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.