Home / 52,198.74-72,010.35-30,970.26

Finding the Fourth Proportional to 52,198.74, 72,010.35 and 30,970.26

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Solution

The fourth proportional to 52,198.74, 72,010.35 and 30,970.26 is: 42,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.74 : 72,010.35 = 30,970.26 : x
  2. Step 2: Convert to fraction form
    52,198.74/72,010.35 = 30,970.26/x
  3. Step 3: Cross multiply
    52,198.74x = 72,010.35 × 30,970.26
  4. Step 4: Simplify right side
    52,198.74x = 2,230,179,262.19
  5. Step 5: Solve for x
    x = 2,230,179,262.19/52,198.74
  6. Step 6: Final answer
    x = 42,724.77

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1.5x scale

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.