Home / 45,072.82-62,134.50-31,603.42

Finding the Fourth Proportional to 45,072.82, 62,134.50 and 31,603.42

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Solution

The fourth proportional to 45,072.82, 62,134.50 and 31,603.42 is: 43,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.82 : 62,134.50 = 31,603.42 : x
  2. Step 2: Convert to fraction form
    45,072.82/62,134.50 = 31,603.42/x
  3. Step 3: Cross multiply
    45,072.82x = 62,134.50 × 31,603.42
  4. Step 4: Simplify right side
    45,072.82x = 1,963,662,699.99
  5. Step 5: Solve for x
    x = 1,963,662,699.99/45,072.82
  6. Step 6: Final answer
    x = 43,566.45

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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.