Home / 84,568.05-116,438.18-71,794.76

Finding the Fourth Proportional to 84,568.05, 116,438.18 and 71,794.76

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Solution

The fourth proportional to 84,568.05, 116,438.18 and 71,794.76 is: 98,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.05 : 116,438.18 = 71,794.76 : x
  2. Step 2: Convert to fraction form
    84,568.05/116,438.18 = 71,794.76/x
  3. Step 3: Cross multiply
    84,568.05x = 116,438.18 × 71,794.76
  4. Step 4: Simplify right side
    84,568.05x = 8,359,650,246.77
  5. Step 5: Solve for x
    x = 8,359,650,246.77/84,568.05
  6. Step 6: Final answer
    x = 98,851.16

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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.