Home / 117,447.38-162,075.14-66,459.19

Finding the Fourth Proportional to 117,447.38, 162,075.14 and 66,459.19

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Solution

The fourth proportional to 117,447.38, 162,075.14 and 66,459.19 is: 91,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,447.38 : 162,075.14 = 66,459.19 : x
  2. Step 2: Convert to fraction form
    117,447.38/162,075.14 = 66,459.19/x
  3. Step 3: Cross multiply
    117,447.38x = 162,075.14 × 66,459.19
  4. Step 4: Simplify right side
    117,447.38x = 10,771,382,523.54
  5. Step 5: Solve for x
    x = 10,771,382,523.54/117,447.38
  6. Step 6: Final answer
    x = 91,712.41

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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.