Home / 77,244.22-115,888.20-45,682.30

Finding the Fourth Proportional to 77,244.22, 115,888.20 and 45,682.30

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Solution

The fourth proportional to 77,244.22, 115,888.20 and 45,682.30 is: 68,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,244.22 : 115,888.20 = 45,682.30 : x
  2. Step 2: Convert to fraction form
    77,244.22/115,888.20 = 45,682.30/x
  3. Step 3: Cross multiply
    77,244.22x = 115,888.20 × 45,682.30
  4. Step 4: Simplify right side
    77,244.22x = 5,294,039,518.86
  5. Step 5: Solve for x
    x = 5,294,039,518.86/77,244.22
  6. Step 6: Final answer
    x = 68,536.38

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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.