Home / 97,846.52-135,028.28-55,405.12

Finding the Fourth Proportional to 97,846.52, 135,028.28 and 55,405.12

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Solution

The fourth proportional to 97,846.52, 135,028.28 and 55,405.12 is: 76,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,846.52 : 135,028.28 = 55,405.12 : x
  2. Step 2: Convert to fraction form
    97,846.52/135,028.28 = 55,405.12/x
  3. Step 3: Cross multiply
    97,846.52x = 135,028.28 × 55,405.12
  4. Step 4: Simplify right side
    97,846.52x = 7,481,258,056.79
  5. Step 5: Solve for x
    x = 7,481,258,056.79/97,846.52
  6. Step 6: Final answer
    x = 76,459.11

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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.