Home / 102,941.94-154,437.90-32,821.20

Finding the Fourth Proportional to 102,941.94, 154,437.90 and 32,821.20

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Solution

The fourth proportional to 102,941.94, 154,437.90 and 32,821.20 is: 49,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,941.94 : 154,437.90 = 32,821.20 : x
  2. Step 2: Convert to fraction form
    102,941.94/154,437.90 = 32,821.20/x
  3. Step 3: Cross multiply
    102,941.94x = 154,437.90 × 32,821.20
  4. Step 4: Simplify right side
    102,941.94x = 5,068,837,203.48
  5. Step 5: Solve for x
    x = 5,068,837,203.48/102,941.94
  6. Step 6: Final answer
    x = 49,239.77

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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.