Home / 112,361.88-155,053.98-62,059.80

Finding the Fourth Proportional to 112,361.88, 155,053.98 and 62,059.80

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Solution

The fourth proportional to 112,361.88, 155,053.98 and 62,059.80 is: 85,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,361.88 : 155,053.98 = 62,059.80 : x
  2. Step 2: Convert to fraction form
    112,361.88/155,053.98 = 62,059.80/x
  3. Step 3: Cross multiply
    112,361.88x = 155,053.98 × 62,059.80
  4. Step 4: Simplify right side
    112,361.88x = 9,622,618,988.00
  5. Step 5: Solve for x
    x = 9,622,618,988.00/112,361.88
  6. Step 6: Final answer
    x = 85,639.53

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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.