Home / 90,533.16-135,806.76-23,971.68

Finding the Fourth Proportional to 90,533.16, 135,806.76 and 23,971.68

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Solution

The fourth proportional to 90,533.16, 135,806.76 and 23,971.68 is: 35,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.16 : 135,806.76 = 23,971.68 : x
  2. Step 2: Convert to fraction form
    90,533.16/135,806.76 = 23,971.68/x
  3. Step 3: Cross multiply
    90,533.16x = 135,806.76 × 23,971.68
  4. Step 4: Simplify right side
    90,533.16x = 3,255,516,192.56
  5. Step 5: Solve for x
    x = 3,255,516,192.56/90,533.16
  6. Step 6: Final answer
    x = 35,959.38

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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.