Home / 84,475.34-116,384.79-69,344.03

Finding the Fourth Proportional to 84,475.34, 116,384.79 and 69,344.03

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Solution

The fourth proportional to 84,475.34, 116,384.79 and 69,344.03 is: 95,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,475.34 : 116,384.79 = 69,344.03 : x
  2. Step 2: Convert to fraction form
    84,475.34/116,384.79 = 69,344.03/x
  3. Step 3: Cross multiply
    84,475.34x = 116,384.79 × 69,344.03
  4. Step 4: Simplify right side
    84,475.34x = 8,070,589,787.38
  5. Step 5: Solve for x
    x = 8,070,589,787.38/84,475.34
  6. Step 6: Final answer
    x = 95,537.83

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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.