Home / 55,075.89-76,004.46-31,202.51

Finding the Fourth Proportional to 55,075.89, 76,004.46 and 31,202.51

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Solution

The fourth proportional to 55,075.89, 76,004.46 and 31,202.51 is: 43,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,075.89 : 76,004.46 = 31,202.51 : x
  2. Step 2: Convert to fraction form
    55,075.89/76,004.46 = 31,202.51/x
  3. Step 3: Cross multiply
    55,075.89x = 76,004.46 × 31,202.51
  4. Step 4: Simplify right side
    55,075.89x = 2,371,529,923.19
  5. Step 5: Solve for x
    x = 2,371,529,923.19/55,075.89
  6. Step 6: Final answer
    x = 43,059.31

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1.5x scale

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.