Home / 69,913.19-104,341.61-65,172.87

Finding the Fourth Proportional to 69,913.19, 104,341.61 and 65,172.87

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Solution

The fourth proportional to 69,913.19, 104,341.61 and 65,172.87 is: 97,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913.19 : 104,341.61 = 65,172.87 : x
  2. Step 2: Convert to fraction form
    69,913.19/104,341.61 = 65,172.87/x
  3. Step 3: Cross multiply
    69,913.19x = 104,341.61 × 65,172.87
  4. Step 4: Simplify right side
    69,913.19x = 6,800,241,858.26
  5. Step 5: Solve for x
    x = 6,800,241,858.26/69,913.19
  6. Step 6: Final answer
    x = 97,266.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.