Home / 64,530.48-89,049.76-36,237.36

Finding the Fourth Proportional to 64,530.48, 89,049.76 and 36,237.36

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Solution

The fourth proportional to 64,530.48, 89,049.76 and 36,237.36 is: 50,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.48 : 89,049.76 = 36,237.36 : x
  2. Step 2: Convert to fraction form
    64,530.48/89,049.76 = 36,237.36/x
  3. Step 3: Cross multiply
    64,530.48x = 89,049.76 × 36,237.36
  4. Step 4: Simplify right side
    64,530.48x = 3,226,928,211.03
  5. Step 5: Solve for x
    x = 3,226,928,211.03/64,530.48
  6. Step 6: Final answer
    x = 50,006.26

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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.