Home / 112,895.54-155,724.44-72,539.94

Finding the Fourth Proportional to 112,895.54, 155,724.44 and 72,539.94

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Solution

The fourth proportional to 112,895.54, 155,724.44 and 72,539.94 is: 100,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,895.54 : 155,724.44 = 72,539.94 : x
  2. Step 2: Convert to fraction form
    112,895.54/155,724.44 = 72,539.94/x
  3. Step 3: Cross multiply
    112,895.54x = 155,724.44 × 72,539.94
  4. Step 4: Simplify right side
    112,895.54x = 11,296,241,534.13
  5. Step 5: Solve for x
    x = 11,296,241,534.13/112,895.54
  6. Step 6: Final answer
    x = 100,059.24

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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.