Home / 64,990.08-89,698.32-41,100.48

Finding the Fourth Proportional to 64,990.08, 89,698.32 and 41,100.48

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Solution

The fourth proportional to 64,990.08, 89,698.32 and 41,100.48 is: 56,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.08 : 89,698.32 = 41,100.48 : x
  2. Step 2: Convert to fraction form
    64,990.08/89,698.32 = 41,100.48/x
  3. Step 3: Cross multiply
    64,990.08x = 89,698.32 × 41,100.48
  4. Step 4: Simplify right side
    64,990.08x = 3,686,644,007.19
  5. Step 5: Solve for x
    x = 3,686,644,007.19/64,990.08
  6. Step 6: Final answer
    x = 56,726.26

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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.