Home / 112,032.96-168,165.60-49,747.20

Finding the Fourth Proportional to 112,032.96, 168,165.60 and 49,747.20

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Solution

The fourth proportional to 112,032.96, 168,165.60 and 49,747.20 is: 74,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,032.96 : 168,165.60 = 49,747.20 : x
  2. Step 2: Convert to fraction form
    112,032.96/168,165.60 = 49,747.20/x
  3. Step 3: Cross multiply
    112,032.96x = 168,165.60 × 49,747.20
  4. Step 4: Simplify right side
    112,032.96x = 8,365,767,736.32
  5. Step 5: Solve for x
    x = 8,365,767,736.32/112,032.96
  6. Step 6: Final answer
    x = 74,672.38

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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.