Home / 69,830.08-96,362.88-39,616.96

Finding the Fourth Proportional to 69,830.08, 96,362.88 and 39,616.96

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Solution

The fourth proportional to 69,830.08, 96,362.88 and 39,616.96 is: 54,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,830.08 : 96,362.88 = 39,616.96 : x
  2. Step 2: Convert to fraction form
    69,830.08/96,362.88 = 39,616.96/x
  3. Step 3: Cross multiply
    69,830.08x = 96,362.88 × 39,616.96
  4. Step 4: Simplify right side
    69,830.08x = 3,817,604,362.44
  5. Step 5: Solve for x
    x = 3,817,604,362.44/69,830.08
  6. Step 6: Final answer
    x = 54,669.91

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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.