Home / 47,119.07-70,687.36-15,531.35

Finding the Fourth Proportional to 47,119.07, 70,687.36 and 15,531.35

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Solution

The fourth proportional to 47,119.07, 70,687.36 and 15,531.35 is: 23,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.07 : 70,687.36 = 15,531.35 : x
  2. Step 2: Convert to fraction form
    47,119.07/70,687.36 = 15,531.35/x
  3. Step 3: Cross multiply
    47,119.07x = 70,687.36 × 15,531.35
  4. Step 4: Simplify right side
    47,119.07x = 1,097,870,059.79
  5. Step 5: Solve for x
    x = 1,097,870,059.79/47,119.07
  6. Step 6: Final answer
    x = 23,299.91

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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.