Home / 55,670.46-76,766.64-42,090.41

Finding the Fourth Proportional to 55,670.46, 76,766.64 and 42,090.41

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Solution

The fourth proportional to 55,670.46, 76,766.64 and 42,090.41 is: 58,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.46 : 76,766.64 = 42,090.41 : x
  2. Step 2: Convert to fraction form
    55,670.46/76,766.64 = 42,090.41/x
  3. Step 3: Cross multiply
    55,670.46x = 76,766.64 × 42,090.41
  4. Step 4: Simplify right side
    55,670.46x = 3,231,139,351.92
  5. Step 5: Solve for x
    x = 3,231,139,351.92/55,670.46
  6. Step 6: Final answer
    x = 58,040.46

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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.