Home / 64,837.36-89,470.20-36,550

Finding the Fourth Proportional to 64,837.36, 89,470.20 and 36,550

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Solution

The fourth proportional to 64,837.36, 89,470.20 and 36,550 is: 50,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.36 : 89,470.20 = 36,550 : x
  2. Step 2: Convert to fraction form
    64,837.36/89,470.20 = 36,550/x
  3. Step 3: Cross multiply
    64,837.36x = 89,470.20 × 36,550
  4. Step 4: Simplify right side
    64,837.36x = 3,270,135,810
  5. Step 5: Solve for x
    x = 3,270,135,810/64,837.36
  6. Step 6: Final answer
    x = 50,435.98

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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.