Home / 112,374.44-155,069.87-61,376.84

Finding the Fourth Proportional to 112,374.44, 155,069.87 and 61,376.84

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Solution

The fourth proportional to 112,374.44, 155,069.87 and 61,376.84 is: 84,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,374.44 : 155,069.87 = 61,376.84 : x
  2. Step 2: Convert to fraction form
    112,374.44/155,069.87 = 61,376.84/x
  3. Step 3: Cross multiply
    112,374.44x = 155,069.87 × 61,376.84
  4. Step 4: Simplify right side
    112,374.44x = 9,517,697,517.58
  5. Step 5: Solve for x
    x = 9,517,697,517.58/112,374.44
  6. Step 6: Final answer
    x = 84,696.29

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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.