Home / 85,343.44-117,775.56-49,536.40

Finding the Fourth Proportional to 85,343.44, 117,775.56 and 49,536.40

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Solution

The fourth proportional to 85,343.44, 117,775.56 and 49,536.40 is: 68,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,343.44 : 117,775.56 = 49,536.40 : x
  2. Step 2: Convert to fraction form
    85,343.44/117,775.56 = 49,536.40/x
  3. Step 3: Cross multiply
    85,343.44x = 117,775.56 × 49,536.40
  4. Step 4: Simplify right side
    85,343.44x = 5,834,177,250.38
  5. Step 5: Solve for x
    x = 5,834,177,250.38/85,343.44
  6. Step 6: Final answer
    x = 68,361.17

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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.