Home / 90,798.77-136,237.34-34,655.75

Finding the Fourth Proportional to 90,798.77, 136,237.34 and 34,655.75

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Solution

The fourth proportional to 90,798.77, 136,237.34 and 34,655.75 is: 51,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.77 : 136,237.34 = 34,655.75 : x
  2. Step 2: Convert to fraction form
    90,798.77/136,237.34 = 34,655.75/x
  3. Step 3: Cross multiply
    90,798.77x = 136,237.34 × 34,655.75
  4. Step 4: Simplify right side
    90,798.77x = 4,721,407,112.05
  5. Step 5: Solve for x
    x = 4,721,407,112.05/90,798.77
  6. Step 6: Final answer
    x = 51,998.58

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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.