Home / 97,659.12-134,772.24-55,224

Finding the Fourth Proportional to 97,659.12, 134,772.24 and 55,224

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Solution

The fourth proportional to 97,659.12, 134,772.24 and 55,224 is: 76,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.12 : 134,772.24 = 55,224 : x
  2. Step 2: Convert to fraction form
    97,659.12/134,772.24 = 55,224/x
  3. Step 3: Cross multiply
    97,659.12x = 134,772.24 × 55,224
  4. Step 4: Simplify right side
    97,659.12x = 7,442,662,181.76
  5. Step 5: Solve for x
    x = 7,442,662,181.76/97,659.12
  6. Step 6: Final answer
    x = 76,210.62

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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.