Home / 69,426-95,853.96-42,976.08

Finding the Fourth Proportional to 69,426, 95,853.96 and 42,976.08

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Solution

The fourth proportional to 69,426, 95,853.96 and 42,976.08 is: 59,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,426 : 95,853.96 = 42,976.08 : x
  2. Step 2: Convert to fraction form
    69,426/95,853.96 = 42,976.08/x
  3. Step 3: Cross multiply
    69,426x = 95,853.96 × 42,976.08
  4. Step 4: Simplify right side
    69,426x = 4,119,427,453.28
  5. Step 5: Solve for x
    x = 4,119,427,453.28/69,426
  6. Step 6: Final answer
    x = 59,335.51

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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.