Home / 76,997.52-106,258.32-45,189.36

Finding the Fourth Proportional to 76,997.52, 106,258.32 and 45,189.36

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Solution

The fourth proportional to 76,997.52, 106,258.32 and 45,189.36 is: 62,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,997.52 : 106,258.32 = 45,189.36 : x
  2. Step 2: Convert to fraction form
    76,997.52/106,258.32 = 45,189.36/x
  3. Step 3: Cross multiply
    76,997.52x = 106,258.32 × 45,189.36
  4. Step 4: Simplify right side
    76,997.52x = 4,801,745,475.48
  5. Step 5: Solve for x
    x = 4,801,745,475.48/76,997.52
  6. Step 6: Final answer
    x = 62,362.34

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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.