Home / 80,369.27-120,577.36-35,985.63

Finding the Fourth Proportional to 80,369.27, 120,577.36 and 35,985.63

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Solution

The fourth proportional to 80,369.27, 120,577.36 and 35,985.63 is: 53,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.27 : 120,577.36 = 35,985.63 : x
  2. Step 2: Convert to fraction form
    80,369.27/120,577.36 = 35,985.63/x
  3. Step 3: Cross multiply
    80,369.27x = 120,577.36 × 35,985.63
  4. Step 4: Simplify right side
    80,369.27x = 4,339,052,263.34
  5. Step 5: Solve for x
    x = 4,339,052,263.34/80,369.27
  6. Step 6: Final answer
    x = 53,988.95

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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.