Home / 98,416.53-135,825.71-55,397.34

Finding the Fourth Proportional to 98,416.53, 135,825.71 and 55,397.34

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Solution

The fourth proportional to 98,416.53, 135,825.71 and 55,397.34 is: 76,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,416.53 : 135,825.71 = 55,397.34 : x
  2. Step 2: Convert to fraction form
    98,416.53/135,825.71 = 55,397.34/x
  3. Step 3: Cross multiply
    98,416.53x = 135,825.71 × 55,397.34
  4. Step 4: Simplify right side
    98,416.53x = 7,524,383,037.61
  5. Step 5: Solve for x
    x = 7,524,383,037.61/98,416.53
  6. Step 6: Final answer
    x = 76,454.46

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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.