Home / 112,038.90-167,928.32-45,396.14

Finding the Fourth Proportional to 112,038.90, 167,928.32 and 45,396.14

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Solution

The fourth proportional to 112,038.90, 167,928.32 and 45,396.14 is: 68,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.90 : 167,928.32 = 45,396.14 : x
  2. Step 2: Convert to fraction form
    112,038.90/167,928.32 = 45,396.14/x
  3. Step 3: Cross multiply
    112,038.90x = 167,928.32 × 45,396.14
  4. Step 4: Simplify right side
    112,038.90x = 7,623,297,524.68
  5. Step 5: Solve for x
    x = 7,623,297,524.68/112,038.90
  6. Step 6: Final answer
    x = 68,041.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.