Home / 85,409.44-128,025.04-29,232.96

Finding the Fourth Proportional to 85,409.44, 128,025.04 and 29,232.96

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Solution

The fourth proportional to 85,409.44, 128,025.04 and 29,232.96 is: 43,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,409.44 : 128,025.04 = 29,232.96 : x
  2. Step 2: Convert to fraction form
    85,409.44/128,025.04 = 29,232.96/x
  3. Step 3: Cross multiply
    85,409.44x = 128,025.04 × 29,232.96
  4. Step 4: Simplify right side
    85,409.44x = 3,742,550,873.32
  5. Step 5: Solve for x
    x = 3,742,550,873.32/85,409.44
  6. Step 6: Final answer
    x = 43,818.94

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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.