Home / 86,175.40-129,210.18-33,523.60

Finding the Fourth Proportional to 86,175.40, 129,210.18 and 33,523.60

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Solution

The fourth proportional to 86,175.40, 129,210.18 and 33,523.60 is: 50,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,175.40 : 129,210.18 = 33,523.60 : x
  2. Step 2: Convert to fraction form
    86,175.40/129,210.18 = 33,523.60/x
  3. Step 3: Cross multiply
    86,175.40x = 129,210.18 × 33,523.60
  4. Step 4: Simplify right side
    86,175.40x = 4,331,590,390.25
  5. Step 5: Solve for x
    x = 4,331,590,390.25/86,175.40
  6. Step 6: Final answer
    x = 50,264.81

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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.