Home / 56,463.24-77,918.73-30,969.08

Finding the Fourth Proportional to 56,463.24, 77,918.73 and 30,969.08

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Solution

The fourth proportional to 56,463.24, 77,918.73 and 30,969.08 is: 42,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.24 : 77,918.73 = 30,969.08 : x
  2. Step 2: Convert to fraction form
    56,463.24/77,918.73 = 30,969.08/x
  3. Step 3: Cross multiply
    56,463.24x = 77,918.73 × 30,969.08
  4. Step 4: Simplify right side
    56,463.24x = 2,413,070,993.27
  5. Step 5: Solve for x
    x = 2,413,070,993.27/56,463.24
  6. Step 6: Final answer
    x = 42,737.03

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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.