Home / 109,637.64-164,324.02-53,393.47

Finding the Fourth Proportional to 109,637.64, 164,324.02 and 53,393.47

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Solution

The fourth proportional to 109,637.64, 164,324.02 and 53,393.47 is: 80,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,637.64 : 164,324.02 = 53,393.47 : x
  2. Step 2: Convert to fraction form
    109,637.64/164,324.02 = 53,393.47/x
  3. Step 3: Cross multiply
    109,637.64x = 164,324.02 × 53,393.47
  4. Step 4: Simplify right side
    109,637.64x = 8,773,829,632.15
  5. Step 5: Solve for x
    x = 8,773,829,632.15/109,637.64
  6. Step 6: Final answer
    x = 80,025.71

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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.