Home / 69,590.55-96,033.70-42,356.77

Finding the Fourth Proportional to 69,590.55, 96,033.70 and 42,356.77

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Solution

The fourth proportional to 69,590.55, 96,033.70 and 42,356.77 is: 58,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,590.55 : 96,033.70 = 42,356.77 : x
  2. Step 2: Convert to fraction form
    69,590.55/96,033.70 = 42,356.77/x
  3. Step 3: Cross multiply
    69,590.55x = 96,033.70 × 42,356.77
  4. Step 4: Simplify right side
    69,590.55x = 4,067,677,343.15
  5. Step 5: Solve for x
    x = 4,067,677,343.15/69,590.55
  6. Step 6: Final answer
    x = 58,451.58

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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.