Home / 108,948.36-150,363.84-61,205.32

Finding the Fourth Proportional to 108,948.36, 150,363.84 and 61,205.32

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Solution

The fourth proportional to 108,948.36, 150,363.84 and 61,205.32 is: 84,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,948.36 : 150,363.84 = 61,205.32 : x
  2. Step 2: Convert to fraction form
    108,948.36/150,363.84 = 61,205.32/x
  3. Step 3: Cross multiply
    108,948.36x = 150,363.84 × 61,205.32
  4. Step 4: Simplify right side
    108,948.36x = 9,203,066,943.63
  5. Step 5: Solve for x
    x = 9,203,066,943.63/108,948.36
  6. Step 6: Final answer
    x = 84,471.83

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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.