Home / 104,318.10-143,957.72-56,570.89

Finding the Fourth Proportional to 104,318.10, 143,957.72 and 56,570.89

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Solution

The fourth proportional to 104,318.10, 143,957.72 and 56,570.89 is: 78,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,318.10 : 143,957.72 = 56,570.89 : x
  2. Step 2: Convert to fraction form
    104,318.10/143,957.72 = 56,570.89/x
  3. Step 3: Cross multiply
    104,318.10x = 143,957.72 × 56,570.89
  4. Step 4: Simplify right side
    104,318.10x = 8,143,816,342.77
  5. Step 5: Solve for x
    x = 8,143,816,342.77/104,318.10
  6. Step 6: Final answer
    x = 78,067.15

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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.