Home / 69,638.85-104,356.20-43,263.63

Finding the Fourth Proportional to 69,638.85, 104,356.20 and 43,263.63

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Solution

The fourth proportional to 69,638.85, 104,356.20 and 43,263.63 is: 64,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,638.85 : 104,356.20 = 43,263.63 : x
  2. Step 2: Convert to fraction form
    69,638.85/104,356.20 = 43,263.63/x
  3. Step 3: Cross multiply
    69,638.85x = 104,356.20 × 43,263.63
  4. Step 4: Simplify right side
    69,638.85x = 4,514,828,025.01
  5. Step 5: Solve for x
    x = 4,514,828,025.01/69,638.85
  6. Step 6: Final answer
    x = 64,832.03

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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.