Home / 98,947.58-148,372.16-51,536.25

Finding the Fourth Proportional to 98,947.58, 148,372.16 and 51,536.25

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Solution

The fourth proportional to 98,947.58, 148,372.16 and 51,536.25 is: 77,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,947.58 : 148,372.16 = 51,536.25 : x
  2. Step 2: Convert to fraction form
    98,947.58/148,372.16 = 51,536.25/x
  3. Step 3: Cross multiply
    98,947.58x = 148,372.16 × 51,536.25
  4. Step 4: Simplify right side
    98,947.58x = 7,646,544,473.12
  5. Step 5: Solve for x
    x = 7,646,544,473.12/98,947.58
  6. Step 6: Final answer
    x = 77,278.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.