Home / 77,485.34-106,921.22-43,486.03

Finding the Fourth Proportional to 77,485.34, 106,921.22 and 43,486.03

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Solution

The fourth proportional to 77,485.34, 106,921.22 and 43,486.03 is: 60,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,485.34 : 106,921.22 = 43,486.03 : x
  2. Step 2: Convert to fraction form
    77,485.34/106,921.22 = 43,486.03/x
  3. Step 3: Cross multiply
    77,485.34x = 106,921.22 × 43,486.03
  4. Step 4: Simplify right side
    77,485.34x = 4,649,579,593.50
  5. Step 5: Solve for x
    x = 4,649,579,593.50/77,485.34
  6. Step 6: Final answer
    x = 60,005.92

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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.