Home / 64,275.42-96,389.16-22,143.72

Finding the Fourth Proportional to 64,275.42, 96,389.16 and 22,143.72

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Solution

The fourth proportional to 64,275.42, 96,389.16 and 22,143.72 is: 33,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,275.42 : 96,389.16 = 22,143.72 : x
  2. Step 2: Convert to fraction form
    64,275.42/96,389.16 = 22,143.72/x
  3. Step 3: Cross multiply
    64,275.42x = 96,389.16 × 22,143.72
  4. Step 4: Simplify right side
    64,275.42x = 2,134,414,570.08
  5. Step 5: Solve for x
    x = 2,134,414,570.08/64,275.42
  6. Step 6: Final answer
    x = 33,207.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.