Home / 58,188.44-80,330.60-39,168.28

Finding the Fourth Proportional to 58,188.44, 80,330.60 and 39,168.28

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Solution

The fourth proportional to 58,188.44, 80,330.60 and 39,168.28 is: 54,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,188.44 : 80,330.60 = 39,168.28 : x
  2. Step 2: Convert to fraction form
    58,188.44/80,330.60 = 39,168.28/x
  3. Step 3: Cross multiply
    58,188.44x = 80,330.60 × 39,168.28
  4. Step 4: Simplify right side
    58,188.44x = 3,146,411,433.37
  5. Step 5: Solve for x
    x = 3,146,411,433.37/58,188.44
  6. Step 6: Final answer
    x = 54,072.79

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1.5x scale

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.