Home / 117,075.84-161,564.66-63,361.24

Finding the Fourth Proportional to 117,075.84, 161,564.66 and 63,361.24

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Solution

The fourth proportional to 117,075.84, 161,564.66 and 63,361.24 is: 87,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,075.84 : 161,564.66 = 63,361.24 : x
  2. Step 2: Convert to fraction form
    117,075.84/161,564.66 = 63,361.24/x
  3. Step 3: Cross multiply
    117,075.84x = 161,564.66 × 63,361.24
  4. Step 4: Simplify right side
    117,075.84x = 10,236,937,197.78
  5. Step 5: Solve for x
    x = 10,236,937,197.78/117,075.84
  6. Step 6: Final answer
    x = 87,438.51

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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.