Home / 56,066.31-83,931.48-54,072.45

Finding the Fourth Proportional to 56,066.31, 83,931.48 and 54,072.45

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Solution

The fourth proportional to 56,066.31, 83,931.48 and 54,072.45 is: 80,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,066.31 : 83,931.48 = 54,072.45 : x
  2. Step 2: Convert to fraction form
    56,066.31/83,931.48 = 54,072.45/x
  3. Step 3: Cross multiply
    56,066.31x = 83,931.48 × 54,072.45
  4. Step 4: Simplify right side
    56,066.31x = 4,538,380,755.73
  5. Step 5: Solve for x
    x = 4,538,380,755.73/56,066.31
  6. Step 6: Final answer
    x = 80,946.66

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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.