Home / 86,384.86-129,577.29-33,757.42

Finding the Fourth Proportional to 86,384.86, 129,577.29 and 33,757.42

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Solution

The fourth proportional to 86,384.86, 129,577.29 and 33,757.42 is: 50,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.86 : 129,577.29 = 33,757.42 : x
  2. Step 2: Convert to fraction form
    86,384.86/129,577.29 = 33,757.42/x
  3. Step 3: Cross multiply
    86,384.86x = 129,577.29 × 33,757.42
  4. Step 4: Simplify right side
    86,384.86x = 4,374,195,000.99
  5. Step 5: Solve for x
    x = 4,374,195,000.99/86,384.86
  6. Step 6: Final answer
    x = 50,636.13

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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.