Home / 86,145.28-129,297.88-44,055.44

Finding the Fourth Proportional to 86,145.28, 129,297.88 and 44,055.44

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Solution

The fourth proportional to 86,145.28, 129,297.88 and 44,055.44 is: 66,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,145.28 : 129,297.88 = 44,055.44 : x
  2. Step 2: Convert to fraction form
    86,145.28/129,297.88 = 44,055.44/x
  3. Step 3: Cross multiply
    86,145.28x = 129,297.88 × 44,055.44
  4. Step 4: Simplify right side
    86,145.28x = 5,696,274,887.91
  5. Step 5: Solve for x
    x = 5,696,274,887.91/86,145.28
  6. Step 6: Final answer
    x = 66,124.05

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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.