Home / 67,929.07-101,898.29-28,446.43

Finding the Fourth Proportional to 67,929.07, 101,898.29 and 28,446.43

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Solution

The fourth proportional to 67,929.07, 101,898.29 and 28,446.43 is: 42,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.07 : 101,898.29 = 28,446.43 : x
  2. Step 2: Convert to fraction form
    67,929.07/101,898.29 = 28,446.43/x
  3. Step 3: Cross multiply
    67,929.07x = 101,898.29 × 28,446.43
  4. Step 4: Simplify right side
    67,929.07x = 2,898,642,573.60
  5. Step 5: Solve for x
    x = 2,898,642,573.60/67,929.07
  6. Step 6: Final answer
    x = 42,671.61

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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.