Home / 82,106.64-113,318.92-59,520.40

Finding the Fourth Proportional to 82,106.64, 113,318.92 and 59,520.40

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Solution

The fourth proportional to 82,106.64, 113,318.92 and 59,520.40 is: 82,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.64 : 113,318.92 = 59,520.40 : x
  2. Step 2: Convert to fraction form
    82,106.64/113,318.92 = 59,520.40/x
  3. Step 3: Cross multiply
    82,106.64x = 113,318.92 × 59,520.40
  4. Step 4: Simplify right side
    82,106.64x = 6,744,787,445.97
  5. Step 5: Solve for x
    x = 6,744,787,445.97/82,106.64
  6. Step 6: Final answer
    x = 82,146.67

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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.