Home / 85,133.07-117,483.64-49,343.84

Finding the Fourth Proportional to 85,133.07, 117,483.64 and 49,343.84

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Solution

The fourth proportional to 85,133.07, 117,483.64 and 49,343.84 is: 68,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,133.07 : 117,483.64 = 49,343.84 : x
  2. Step 2: Convert to fraction form
    85,133.07/117,483.64 = 49,343.84/x
  3. Step 3: Cross multiply
    85,133.07x = 117,483.64 × 49,343.84
  4. Step 4: Simplify right side
    85,133.07x = 5,797,093,688.06
  5. Step 5: Solve for x
    x = 5,797,093,688.06/85,133.07
  6. Step 6: Final answer
    x = 68,094.50

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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.