Home / 86,459.04-129,722.40-33,859.44

Finding the Fourth Proportional to 86,459.04, 129,722.40 and 33,859.44

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Solution

The fourth proportional to 86,459.04, 129,722.40 and 33,859.44 is: 50,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,459.04 : 129,722.40 = 33,859.44 : x
  2. Step 2: Convert to fraction form
    86,459.04/129,722.40 = 33,859.44/x
  3. Step 3: Cross multiply
    86,459.04x = 129,722.40 × 33,859.44
  4. Step 4: Simplify right side
    86,459.04x = 4,392,327,819.46
  5. Step 5: Solve for x
    x = 4,392,327,819.46/86,459.04
  6. Step 6: Final answer
    x = 50,802.41

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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.