Home / 112,461.90-155,197.43-61,474.83

Finding the Fourth Proportional to 112,461.90, 155,197.43 and 61,474.83

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Solution

The fourth proportional to 112,461.90, 155,197.43 and 61,474.83 is: 84,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,461.90 : 155,197.43 = 61,474.83 : x
  2. Step 2: Convert to fraction form
    112,461.90/155,197.43 = 61,474.83/x
  3. Step 3: Cross multiply
    112,461.90x = 155,197.43 × 61,474.83
  4. Step 4: Simplify right side
    112,461.90x = 9,540,736,361.36
  5. Step 5: Solve for x
    x = 9,540,736,361.36/112,461.90
  6. Step 6: Final answer
    x = 84,835.27

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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.