Home / 64,536.16-89,064.64-36,243.52

Finding the Fourth Proportional to 64,536.16, 89,064.64 and 36,243.52

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Solution

The fourth proportional to 64,536.16, 89,064.64 and 36,243.52 is: 50,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.16 : 89,064.64 = 36,243.52 : x
  2. Step 2: Convert to fraction form
    64,536.16/89,064.64 = 36,243.52/x
  3. Step 3: Cross multiply
    64,536.16x = 89,064.64 × 36,243.52
  4. Step 4: Simplify right side
    64,536.16x = 3,228,016,061.13
  5. Step 5: Solve for x
    x = 3,228,016,061.13/64,536.16
  6. Step 6: Final answer
    x = 50,018.72

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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.