Home / 98,333.64-135,699.14-55,889.36

Finding the Fourth Proportional to 98,333.64, 135,699.14 and 55,889.36

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Solution

The fourth proportional to 98,333.64, 135,699.14 and 55,889.36 is: 77,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.64 : 135,699.14 = 55,889.36 : x
  2. Step 2: Convert to fraction form
    98,333.64/135,699.14 = 55,889.36/x
  3. Step 3: Cross multiply
    98,333.64x = 135,699.14 × 55,889.36
  4. Step 4: Simplify right side
    98,333.64x = 7,584,138,087.15
  5. Step 5: Solve for x
    x = 7,584,138,087.15/98,333.64
  6. Step 6: Final answer
    x = 77,126.59

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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.