Home / 104,825.17-144,639.51-61,818.15

Finding the Fourth Proportional to 104,825.17, 144,639.51 and 61,818.15

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Solution

The fourth proportional to 104,825.17, 144,639.51 and 61,818.15 is: 85,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,825.17 : 144,639.51 = 61,818.15 : x
  2. Step 2: Convert to fraction form
    104,825.17/144,639.51 = 61,818.15/x
  3. Step 3: Cross multiply
    104,825.17x = 144,639.51 × 61,818.15
  4. Step 4: Simplify right side
    104,825.17x = 8,941,347,079.65
  5. Step 5: Solve for x
    x = 8,941,347,079.65/104,825.17
  6. Step 6: Final answer
    x = 85,297.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.