Home / 77,195.22-106,555.68-45,373.56

Finding the Fourth Proportional to 77,195.22, 106,555.68 and 45,373.56

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Solution

The fourth proportional to 77,195.22, 106,555.68 and 45,373.56 is: 62,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,195.22 : 106,555.68 = 45,373.56 : x
  2. Step 2: Convert to fraction form
    77,195.22/106,555.68 = 45,373.56/x
  3. Step 3: Cross multiply
    77,195.22x = 106,555.68 × 45,373.56
  4. Step 4: Simplify right side
    77,195.22x = 4,834,810,539.82
  5. Step 5: Solve for x
    x = 4,834,810,539.82/77,195.22
  6. Step 6: Final answer
    x = 62,630.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.