Home / 56,042.03-77,338.09-30,548.59

Finding the Fourth Proportional to 56,042.03, 77,338.09 and 30,548.59

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Solution

The fourth proportional to 56,042.03, 77,338.09 and 30,548.59 is: 42,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.03 : 77,338.09 = 30,548.59 : x
  2. Step 2: Convert to fraction form
    56,042.03/77,338.09 = 30,548.59/x
  3. Step 3: Cross multiply
    56,042.03x = 77,338.09 × 30,548.59
  4. Step 4: Simplify right side
    56,042.03x = 2,362,569,882.66
  5. Step 5: Solve for x
    x = 2,362,569,882.66/56,042.03
  6. Step 6: Final answer
    x = 42,157.11

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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.