Home / 112,362.46-155,093.43-64,649.41

Finding the Fourth Proportional to 112,362.46, 155,093.43 and 64,649.41

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Solution

The fourth proportional to 112,362.46, 155,093.43 and 64,649.41 is: 89,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,362.46 : 155,093.43 = 64,649.41 : x
  2. Step 2: Convert to fraction form
    112,362.46/155,093.43 = 64,649.41/x
  3. Step 3: Cross multiply
    112,362.46x = 155,093.43 × 64,649.41
  4. Step 4: Simplify right side
    112,362.46x = 10,026,698,599.08
  5. Step 5: Solve for x
    x = 10,026,698,599.08/112,362.46
  6. Step 6: Final answer
    x = 89,235.31

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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.