Home / 108,953.01-150,347.07-61,214.31

Finding the Fourth Proportional to 108,953.01, 150,347.07 and 61,214.31

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Solution

The fourth proportional to 108,953.01, 150,347.07 and 61,214.31 is: 84,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953.01 : 150,347.07 = 61,214.31 : x
  2. Step 2: Convert to fraction form
    108,953.01/150,347.07 = 61,214.31/x
  3. Step 3: Cross multiply
    108,953.01x = 150,347.07 × 61,214.31
  4. Step 4: Simplify right side
    108,953.01x = 9,203,392,150.57
  5. Step 5: Solve for x
    x = 9,203,392,150.57/108,953.01
  6. Step 6: Final answer
    x = 84,471.21

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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.