Home / 112,455.39-155,192.03-61,467.00

Finding the Fourth Proportional to 112,455.39, 155,192.03 and 61,467.00

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Solution

The fourth proportional to 112,455.39, 155,192.03 and 61,467.00 is: 84,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455.39 : 155,192.03 = 61,467.00 : x
  2. Step 2: Convert to fraction form
    112,455.39/155,192.03 = 61,467.00/x
  3. Step 3: Cross multiply
    112,455.39x = 155,192.03 × 61,467.00
  4. Step 4: Simplify right side
    112,455.39x = 9,539,188,549.29
  5. Step 5: Solve for x
    x = 9,539,188,549.29/112,455.39
  6. Step 6: Final answer
    x = 84,826.43

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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.