Home / 70,680.15-106,020.23-61,057.35

Finding the Fourth Proportional to 70,680.15, 106,020.23 and 61,057.35

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Solution

The fourth proportional to 70,680.15, 106,020.23 and 61,057.35 is: 91,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.15 : 106,020.23 = 61,057.35 : x
  2. Step 2: Convert to fraction form
    70,680.15/106,020.23 = 61,057.35/x
  3. Step 3: Cross multiply
    70,680.15x = 106,020.23 × 61,057.35
  4. Step 4: Simplify right side
    70,680.15x = 6,473,313,984.90
  5. Step 5: Solve for x
    x = 6,473,313,984.90/70,680.15
  6. Step 6: Final answer
    x = 91,586.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.