Home / 113,846.47-157,096.20-66,090.49

Finding the Fourth Proportional to 113,846.47, 157,096.20 and 66,090.49

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Solution

The fourth proportional to 113,846.47, 157,096.20 and 66,090.49 is: 91,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,846.47 : 157,096.20 = 66,090.49 : x
  2. Step 2: Convert to fraction form
    113,846.47/157,096.20 = 66,090.49/x
  3. Step 3: Cross multiply
    113,846.47x = 157,096.20 × 66,090.49
  4. Step 4: Simplify right side
    113,846.47x = 10,382,564,835.14
  5. Step 5: Solve for x
    x = 10,382,564,835.14/113,846.47
  6. Step 6: Final answer
    x = 91,197.95

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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.