Home / 98,327.39-135,690.53-55,883.12

Finding the Fourth Proportional to 98,327.39, 135,690.53 and 55,883.12

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Solution

The fourth proportional to 98,327.39, 135,690.53 and 55,883.12 is: 77,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,327.39 : 135,690.53 = 55,883.12 : x
  2. Step 2: Convert to fraction form
    98,327.39/135,690.53 = 55,883.12/x
  3. Step 3: Cross multiply
    98,327.39x = 135,690.53 × 55,883.12
  4. Step 4: Simplify right side
    98,327.39x = 7,582,809,212.99
  5. Step 5: Solve for x
    x = 7,582,809,212.99/98,327.39
  6. Step 6: Final answer
    x = 77,117.98

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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.