Home / 86,561.03-129,763.17-33,956.39

Finding the Fourth Proportional to 86,561.03, 129,763.17 and 33,956.39

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Solution

The fourth proportional to 86,561.03, 129,763.17 and 33,956.39 is: 50,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,561.03 : 129,763.17 = 33,956.39 : x
  2. Step 2: Convert to fraction form
    86,561.03/129,763.17 = 33,956.39/x
  3. Step 3: Cross multiply
    86,561.03x = 129,763.17 × 33,956.39
  4. Step 4: Simplify right side
    86,561.03x = 4,406,288,159.34
  5. Step 5: Solve for x
    x = 4,406,288,159.34/86,561.03
  6. Step 6: Final answer
    x = 50,903.84

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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.