Home / 64,739.10-89,340.10-36,058.52

Finding the Fourth Proportional to 64,739.10, 89,340.10 and 36,058.52

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Solution

The fourth proportional to 64,739.10, 89,340.10 and 36,058.52 is: 49,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.10 : 89,340.10 = 36,058.52 : x
  2. Step 2: Convert to fraction form
    64,739.10/89,340.10 = 36,058.52/x
  3. Step 3: Cross multiply
    64,739.10x = 89,340.10 × 36,058.52
  4. Step 4: Simplify right side
    64,739.10x = 3,221,471,782.65
  5. Step 5: Solve for x
    x = 3,221,471,782.65/64,739.10
  6. Step 6: Final answer
    x = 49,760.84

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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.