Home / 98,279.47-135,626.07-55,840.33

Finding the Fourth Proportional to 98,279.47, 135,626.07 and 55,840.33

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Solution

The fourth proportional to 98,279.47, 135,626.07 and 55,840.33 is: 77,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,279.47 : 135,626.07 = 55,840.33 : x
  2. Step 2: Convert to fraction form
    98,279.47/135,626.07 = 55,840.33/x
  3. Step 3: Cross multiply
    98,279.47x = 135,626.07 × 55,840.33
  4. Step 4: Simplify right side
    98,279.47x = 7,573,404,505.40
  5. Step 5: Solve for x
    x = 7,573,404,505.40/98,279.47
  6. Step 6: Final answer
    x = 77,059.88

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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.