Home / 56,376.49-77,796.82-30,883.01

Finding the Fourth Proportional to 56,376.49, 77,796.82 and 30,883.01

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Solution

The fourth proportional to 56,376.49, 77,796.82 and 30,883.01 is: 42,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376.49 : 77,796.82 = 30,883.01 : x
  2. Step 2: Convert to fraction form
    56,376.49/77,796.82 = 30,883.01/x
  3. Step 3: Cross multiply
    56,376.49x = 77,796.82 × 30,883.01
  4. Step 4: Simplify right side
    56,376.49x = 2,402,599,970.03
  5. Step 5: Solve for x
    x = 2,402,599,970.03/56,376.49
  6. Step 6: Final answer
    x = 42,617.05

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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.