Home / 87,440.83-130,889.74-47,360.27

Finding the Fourth Proportional to 87,440.83, 130,889.74 and 47,360.27

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Solution

The fourth proportional to 87,440.83, 130,889.74 and 47,360.27 is: 70,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.83 : 130,889.74 = 47,360.27 : x
  2. Step 2: Convert to fraction form
    87,440.83/130,889.74 = 47,360.27/x
  3. Step 3: Cross multiply
    87,440.83x = 130,889.74 × 47,360.27
  4. Step 4: Simplify right side
    87,440.83x = 6,198,972,988.00
  5. Step 5: Solve for x
    x = 6,198,972,988.00/87,440.83
  6. Step 6: Final answer
    x = 70,893.34

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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.