Home / 56,851.49-78,485.81-34,195.54

Finding the Fourth Proportional to 56,851.49, 78,485.81 and 34,195.54

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Solution

The fourth proportional to 56,851.49, 78,485.81 and 34,195.54 is: 47,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,851.49 : 78,485.81 = 34,195.54 : x
  2. Step 2: Convert to fraction form
    56,851.49/78,485.81 = 34,195.54/x
  3. Step 3: Cross multiply
    56,851.49x = 78,485.81 × 34,195.54
  4. Step 4: Simplify right side
    56,851.49x = 2,683,864,655.29
  5. Step 5: Solve for x
    x = 2,683,864,655.29/56,851.49
  6. Step 6: Final answer
    x = 47,208.34

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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.