Home / 61,583.12-84,985.32-33,289.36

Finding the Fourth Proportional to 61,583.12, 84,985.32 and 33,289.36

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Solution

The fourth proportional to 61,583.12, 84,985.32 and 33,289.36 is: 45,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,583.12 : 84,985.32 = 33,289.36 : x
  2. Step 2: Convert to fraction form
    61,583.12/84,985.32 = 33,289.36/x
  3. Step 3: Cross multiply
    61,583.12x = 84,985.32 × 33,289.36
  4. Step 4: Simplify right side
    61,583.12x = 2,829,106,912.20
  5. Step 5: Solve for x
    x = 2,829,106,912.20/61,583.12
  6. Step 6: Final answer
    x = 45,939.65

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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.