Home / 93,709.90-129,319.50-51,268.33

Finding the Fourth Proportional to 93,709.90, 129,319.50 and 51,268.33

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Solution

The fourth proportional to 93,709.90, 129,319.50 and 51,268.33 is: 70,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.90 : 129,319.50 = 51,268.33 : x
  2. Step 2: Convert to fraction form
    93,709.90/129,319.50 = 51,268.33/x
  3. Step 3: Cross multiply
    93,709.90x = 129,319.50 × 51,268.33
  4. Step 4: Simplify right side
    93,709.90x = 6,629,994,801.44
  5. Step 5: Solve for x
    x = 6,629,994,801.44/93,709.90
  6. Step 6: Final answer
    x = 70,750.21

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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.