Home / 78,748.44-108,699.18-46,927.32

Finding the Fourth Proportional to 78,748.44, 108,699.18 and 46,927.32

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Solution

The fourth proportional to 78,748.44, 108,699.18 and 46,927.32 is: 64,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,748.44 : 108,699.18 = 46,927.32 : x
  2. Step 2: Convert to fraction form
    78,748.44/108,699.18 = 46,927.32/x
  3. Step 3: Cross multiply
    78,748.44x = 108,699.18 × 46,927.32
  4. Step 4: Simplify right side
    78,748.44x = 5,100,961,203.60
  5. Step 5: Solve for x
    x = 5,100,961,203.60/78,748.44
  6. Step 6: Final answer
    x = 64,775.39

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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.