Home / 90,889.70-125,395.32-52,628.36

Finding the Fourth Proportional to 90,889.70, 125,395.32 and 52,628.36

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Solution

The fourth proportional to 90,889.70, 125,395.32 and 52,628.36 is: 72,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.70 : 125,395.32 = 52,628.36 : x
  2. Step 2: Convert to fraction form
    90,889.70/125,395.32 = 52,628.36/x
  3. Step 3: Cross multiply
    90,889.70x = 125,395.32 × 52,628.36
  4. Step 4: Simplify right side
    90,889.70x = 6,599,350,043.28
  5. Step 5: Solve for x
    x = 6,599,350,043.28/90,889.70
  6. Step 6: Final answer
    x = 72,608.34

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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.