Home / 84,075.44-116,003.48-55,391.92

Finding the Fourth Proportional to 84,075.44, 116,003.48 and 55,391.92

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Solution

The fourth proportional to 84,075.44, 116,003.48 and 55,391.92 is: 76,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,075.44 : 116,003.48 = 55,391.92 : x
  2. Step 2: Convert to fraction form
    84,075.44/116,003.48 = 55,391.92/x
  3. Step 3: Cross multiply
    84,075.44x = 116,003.48 × 55,391.92
  4. Step 4: Simplify right side
    84,075.44x = 6,425,655,483.88
  5. Step 5: Solve for x
    x = 6,425,655,483.88/84,075.44
  6. Step 6: Final answer
    x = 76,427.26

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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.