Home / 97,785.14-134,940.06-55,342.76

Finding the Fourth Proportional to 97,785.14, 134,940.06 and 55,342.76

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Solution

The fourth proportional to 97,785.14, 134,940.06 and 55,342.76 is: 76,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.14 : 134,940.06 = 55,342.76 : x
  2. Step 2: Convert to fraction form
    97,785.14/134,940.06 = 55,342.76/x
  3. Step 3: Cross multiply
    97,785.14x = 134,940.06 × 55,342.76
  4. Step 4: Simplify right side
    97,785.14x = 7,467,954,680.27
  5. Step 5: Solve for x
    x = 7,467,954,680.27/97,785.14
  6. Step 6: Final answer
    x = 76,371.06

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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.