Home / 68,307.69-94,290.58-51,361.14

Finding the Fourth Proportional to 68,307.69, 94,290.58 and 51,361.14

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Solution

The fourth proportional to 68,307.69, 94,290.58 and 51,361.14 is: 70,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,307.69 : 94,290.58 = 51,361.14 : x
  2. Step 2: Convert to fraction form
    68,307.69/94,290.58 = 51,361.14/x
  3. Step 3: Cross multiply
    68,307.69x = 94,290.58 × 51,361.14
  4. Step 4: Simplify right side
    68,307.69x = 4,842,871,680.06
  5. Step 5: Solve for x
    x = 4,842,871,680.06/68,307.69
  6. Step 6: Final answer
    x = 70,897.90

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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.