Home / 93,164.08-139,813.80-69,853.36

Finding the Fourth Proportional to 93,164.08, 139,813.80 and 69,853.36

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Solution

The fourth proportional to 93,164.08, 139,813.80 and 69,853.36 is: 104,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,164.08 : 139,813.80 = 69,853.36 : x
  2. Step 2: Convert to fraction form
    93,164.08/139,813.80 = 69,853.36/x
  3. Step 3: Cross multiply
    93,164.08x = 139,813.80 × 69,853.36
  4. Step 4: Simplify right side
    93,164.08x = 9,766,463,704.37
  5. Step 5: Solve for x
    x = 9,766,463,704.37/93,164.08
  6. Step 6: Final answer
    x = 104,830.79

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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.