Home / 55,075.03-76,004.07-31,201.19

Finding the Fourth Proportional to 55,075.03, 76,004.07 and 31,201.19

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Solution

The fourth proportional to 55,075.03, 76,004.07 and 31,201.19 is: 43,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,075.03 : 76,004.07 = 31,201.19 : x
  2. Step 2: Convert to fraction form
    55,075.03/76,004.07 = 31,201.19/x
  3. Step 3: Cross multiply
    55,075.03x = 76,004.07 × 31,201.19
  4. Step 4: Simplify right side
    55,075.03x = 2,371,417,428.84
  5. Step 5: Solve for x
    x = 2,371,417,428.84/55,075.03
  6. Step 6: Final answer
    x = 43,057.94

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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.