Home / 89,969.25-135,041.36-43,254.93

Finding the Fourth Proportional to 89,969.25, 135,041.36 and 43,254.93

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Solution

The fourth proportional to 89,969.25, 135,041.36 and 43,254.93 is: 64,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,969.25 : 135,041.36 = 43,254.93 : x
  2. Step 2: Convert to fraction form
    89,969.25/135,041.36 = 43,254.93/x
  3. Step 3: Cross multiply
    89,969.25x = 135,041.36 × 43,254.93
  4. Step 4: Simplify right side
    89,969.25x = 5,841,204,573.90
  5. Step 5: Solve for x
    x = 5,841,204,573.90/89,969.25
  6. Step 6: Final answer
    x = 64,924.46

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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.