Home / 56,460.56-77,720.01-48,800.34

Finding the Fourth Proportional to 56,460.56, 77,720.01 and 48,800.34

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Solution

The fourth proportional to 56,460.56, 77,720.01 and 48,800.34 is: 67,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.56 : 77,720.01 = 48,800.34 : x
  2. Step 2: Convert to fraction form
    56,460.56/77,720.01 = 48,800.34/x
  3. Step 3: Cross multiply
    56,460.56x = 77,720.01 × 48,800.34
  4. Step 4: Simplify right side
    56,460.56x = 3,792,762,912.80
  5. Step 5: Solve for x
    x = 3,792,762,912.80/56,460.56
  6. Step 6: Final answer
    x = 67,175.45

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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.