Home / 81,369.32-121,967.87-37,027.22

Finding the Fourth Proportional to 81,369.32, 121,967.87 and 37,027.22

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Solution

The fourth proportional to 81,369.32, 121,967.87 and 37,027.22 is: 55,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,369.32 : 121,967.87 = 37,027.22 : x
  2. Step 2: Convert to fraction form
    81,369.32/121,967.87 = 37,027.22/x
  3. Step 3: Cross multiply
    81,369.32x = 121,967.87 × 37,027.22
  4. Step 4: Simplify right side
    81,369.32x = 4,516,130,360.45
  5. Step 5: Solve for x
    x = 4,516,130,360.45/81,369.32
  6. Step 6: Final answer
    x = 55,501.63

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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.