Home / 121,710.89-182,564.36-46,847.30

Finding the Fourth Proportional to 121,710.89, 182,564.36 and 46,847.30

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Solution

The fourth proportional to 121,710.89, 182,564.36 and 46,847.30 is: 70,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,710.89 : 182,564.36 = 46,847.30 : x
  2. Step 2: Convert to fraction form
    121,710.89/182,564.36 = 46,847.30/x
  3. Step 3: Cross multiply
    121,710.89x = 182,564.36 × 46,847.30
  4. Step 4: Simplify right side
    121,710.89x = 8,552,647,342.23
  5. Step 5: Solve for x
    x = 8,552,647,342.23/121,710.89
  6. Step 6: Final answer
    x = 70,270.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.