Home / 107,091.41-147,785.96-61,768.67

Finding the Fourth Proportional to 107,091.41, 147,785.96 and 61,768.67

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Solution

The fourth proportional to 107,091.41, 147,785.96 and 61,768.67 is: 85,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,091.41 : 147,785.96 = 61,768.67 : x
  2. Step 2: Convert to fraction form
    107,091.41/147,785.96 = 61,768.67/x
  3. Step 3: Cross multiply
    107,091.41x = 147,785.96 × 61,768.67
  4. Step 4: Simplify right side
    107,091.41x = 9,128,541,146.10
  5. Step 5: Solve for x
    x = 9,128,541,146.10/107,091.41
  6. Step 6: Final answer
    x = 85,240.65

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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.