Home / 112,175.24-154,791.07-61,871.00

Finding the Fourth Proportional to 112,175.24, 154,791.07 and 61,871.00

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Solution

The fourth proportional to 112,175.24, 154,791.07 and 61,871.00 is: 85,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.24 : 154,791.07 = 61,871.00 : x
  2. Step 2: Convert to fraction form
    112,175.24/154,791.07 = 61,871.00/x
  3. Step 3: Cross multiply
    112,175.24x = 154,791.07 × 61,871.00
  4. Step 4: Simplify right side
    112,175.24x = 9,577,077,363.34
  5. Step 5: Solve for x
    x = 9,577,077,363.34/112,175.24
  6. Step 6: Final answer
    x = 85,376.04

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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.