Home / 96,719.81-145,013.54-49,243.03

Finding the Fourth Proportional to 96,719.81, 145,013.54 and 49,243.03

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Solution

The fourth proportional to 96,719.81, 145,013.54 and 49,243.03 is: 73,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,719.81 : 145,013.54 = 49,243.03 : x
  2. Step 2: Convert to fraction form
    96,719.81/145,013.54 = 49,243.03/x
  3. Step 3: Cross multiply
    96,719.81x = 145,013.54 × 49,243.03
  4. Step 4: Simplify right side
    96,719.81x = 7,140,905,491.88
  5. Step 5: Solve for x
    x = 7,140,905,491.88/96,719.81
  6. Step 6: Final answer
    x = 73,830.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.