Home / 77,160.72-106,476.75-43,163.34

Finding the Fourth Proportional to 77,160.72, 106,476.75 and 43,163.34

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Solution

The fourth proportional to 77,160.72, 106,476.75 and 43,163.34 is: 59,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,160.72 : 106,476.75 = 43,163.34 : x
  2. Step 2: Convert to fraction form
    77,160.72/106,476.75 = 43,163.34/x
  3. Step 3: Cross multiply
    77,160.72x = 106,476.75 × 43,163.34
  4. Step 4: Simplify right side
    77,160.72x = 4,595,892,162.35
  5. Step 5: Solve for x
    x = 4,595,892,162.35/77,160.72
  6. Step 6: Final answer
    x = 59,562.59

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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.