Home / 98,262.72-135,495.25-66,376.26

Finding the Fourth Proportional to 98,262.72, 135,495.25 and 66,376.26

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Solution

The fourth proportional to 98,262.72, 135,495.25 and 66,376.26 is: 91,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,262.72 : 135,495.25 = 66,376.26 : x
  2. Step 2: Convert to fraction form
    98,262.72/135,495.25 = 66,376.26/x
  3. Step 3: Cross multiply
    98,262.72x = 135,495.25 × 66,376.26
  4. Step 4: Simplify right side
    98,262.72x = 8,993,667,776.82
  5. Step 5: Solve for x
    x = 8,993,667,776.82/98,262.72
  6. Step 6: Final answer
    x = 91,526.75

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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.