Home / 64,832.66-89,433.28-40,669.04

Finding the Fourth Proportional to 64,832.66, 89,433.28 and 40,669.04

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Solution

The fourth proportional to 64,832.66, 89,433.28 and 40,669.04 is: 56,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,832.66 : 89,433.28 = 40,669.04 : x
  2. Step 2: Convert to fraction form
    64,832.66/89,433.28 = 40,669.04/x
  3. Step 3: Cross multiply
    64,832.66x = 89,433.28 × 40,669.04
  4. Step 4: Simplify right side
    64,832.66x = 3,637,165,641.65
  5. Step 5: Solve for x
    x = 3,637,165,641.65/64,832.66
  6. Step 6: Final answer
    x = 56,100.82

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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.