Home / 65,332.32-97,989.24-20,953.31

Finding the Fourth Proportional to 65,332.32, 97,989.24 and 20,953.31

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Solution

The fourth proportional to 65,332.32, 97,989.24 and 20,953.31 is: 31,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,332.32 : 97,989.24 = 20,953.31 : x
  2. Step 2: Convert to fraction form
    65,332.32/97,989.24 = 20,953.31/x
  3. Step 3: Cross multiply
    65,332.32x = 97,989.24 × 20,953.31
  4. Step 4: Simplify right side
    65,332.32x = 2,053,198,432.44
  5. Step 5: Solve for x
    x = 2,053,198,432.44/65,332.32
  6. Step 6: Final answer
    x = 31,426.99

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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.