Home / 75,020.56-103,497.24-48,157.36

Finding the Fourth Proportional to 75,020.56, 103,497.24 and 48,157.36

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Solution

The fourth proportional to 75,020.56, 103,497.24 and 48,157.36 is: 66,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.56 : 103,497.24 = 48,157.36 : x
  2. Step 2: Convert to fraction form
    75,020.56/103,497.24 = 48,157.36/x
  3. Step 3: Cross multiply
    75,020.56x = 103,497.24 × 48,157.36
  4. Step 4: Simplify right side
    75,020.56x = 4,984,153,845.69
  5. Step 5: Solve for x
    x = 4,984,153,845.69/75,020.56
  6. Step 6: Final answer
    x = 66,437.17

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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.