Home / 106,390.17-159,646.10-53,803.53

Finding the Fourth Proportional to 106,390.17, 159,646.10 and 53,803.53

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Solution

The fourth proportional to 106,390.17, 159,646.10 and 53,803.53 is: 80,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.17 : 159,646.10 = 53,803.53 : x
  2. Step 2: Convert to fraction form
    106,390.17/159,646.10 = 53,803.53/x
  3. Step 3: Cross multiply
    106,390.17x = 159,646.10 × 53,803.53
  4. Step 4: Simplify right side
    106,390.17x = 8,589,523,461.72
  5. Step 5: Solve for x
    x = 8,589,523,461.72/106,390.17
  6. Step 6: Final answer
    x = 80,736.06

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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.