Home / 77,145.77-115,677.05-35,002.85

Finding the Fourth Proportional to 77,145.77, 115,677.05 and 35,002.85

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Solution

The fourth proportional to 77,145.77, 115,677.05 and 35,002.85 is: 52,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,145.77 : 115,677.05 = 35,002.85 : x
  2. Step 2: Convert to fraction form
    77,145.77/115,677.05 = 35,002.85/x
  3. Step 3: Cross multiply
    77,145.77x = 115,677.05 × 35,002.85
  4. Step 4: Simplify right side
    77,145.77x = 4,049,025,676.19
  5. Step 5: Solve for x
    x = 4,049,025,676.19/77,145.77
  6. Step 6: Final answer
    x = 52,485.39

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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.