Home / 86,149.44-129,199.20-33,547.20

Finding the Fourth Proportional to 86,149.44, 129,199.20 and 33,547.20

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Solution

The fourth proportional to 86,149.44, 129,199.20 and 33,547.20 is: 50,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.44 : 129,199.20 = 33,547.20 : x
  2. Step 2: Convert to fraction form
    86,149.44/129,199.20 = 33,547.20/x
  3. Step 3: Cross multiply
    86,149.44x = 129,199.20 × 33,547.20
  4. Step 4: Simplify right side
    86,149.44x = 4,334,271,402.24
  5. Step 5: Solve for x
    x = 4,334,271,402.24/86,149.44
  6. Step 6: Final answer
    x = 50,311.08

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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.