Home / 98,037.84-135,287.28-55,600.32

Finding the Fourth Proportional to 98,037.84, 135,287.28 and 55,600.32

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Solution

The fourth proportional to 98,037.84, 135,287.28 and 55,600.32 is: 76,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.84 : 135,287.28 = 55,600.32 : x
  2. Step 2: Convert to fraction form
    98,037.84/135,287.28 = 55,600.32/x
  3. Step 3: Cross multiply
    98,037.84x = 135,287.28 × 55,600.32
  4. Step 4: Simplify right side
    98,037.84x = 7,522,016,059.93
  5. Step 5: Solve for x
    x = 7,522,016,059.93/98,037.84
  6. Step 6: Final answer
    x = 76,725.64

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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.