Home / 117,060.98-161,544.69-66,075.87

Finding the Fourth Proportional to 117,060.98, 161,544.69 and 66,075.87

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Solution

The fourth proportional to 117,060.98, 161,544.69 and 66,075.87 is: 91,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.98 : 161,544.69 = 66,075.87 : x
  2. Step 2: Convert to fraction form
    117,060.98/161,544.69 = 66,075.87/x
  3. Step 3: Cross multiply
    117,060.98x = 161,544.69 × 66,075.87
  4. Step 4: Simplify right side
    117,060.98x = 10,674,205,935.63
  5. Step 5: Solve for x
    x = 10,674,205,935.63/117,060.98
  6. Step 6: Final answer
    x = 91,185.01

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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.