Home / 69,703.03-104,554.08-19,783.16

Finding the Fourth Proportional to 69,703.03, 104,554.08 and 19,783.16

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Solution

The fourth proportional to 69,703.03, 104,554.08 and 19,783.16 is: 29,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.03 : 104,554.08 = 19,783.16 : x
  2. Step 2: Convert to fraction form
    69,703.03/104,554.08 = 19,783.16/x
  3. Step 3: Cross multiply
    69,703.03x = 104,554.08 × 19,783.16
  4. Step 4: Simplify right side
    69,703.03x = 2,068,409,570.52
  5. Step 5: Solve for x
    x = 2,068,409,570.52/69,703.03
  6. Step 6: Final answer
    x = 29,674.60

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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.