Home / 78,893.06-118,270.47-29,679.62

Finding the Fourth Proportional to 78,893.06, 118,270.47 and 29,679.62

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Solution

The fourth proportional to 78,893.06, 118,270.47 and 29,679.62 is: 44,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893.06 : 118,270.47 = 29,679.62 : x
  2. Step 2: Convert to fraction form
    78,893.06/118,270.47 = 29,679.62/x
  3. Step 3: Cross multiply
    78,893.06x = 118,270.47 × 29,679.62
  4. Step 4: Simplify right side
    78,893.06x = 3,510,222,606.82
  5. Step 5: Solve for x
    x = 3,510,222,606.82/78,893.06
  6. Step 6: Final answer
    x = 44,493.43

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1.5x scale

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.