Home / 69,106.04-103,647.50-19,191.18

Finding the Fourth Proportional to 69,106.04, 103,647.50 and 19,191.18

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Solution

The fourth proportional to 69,106.04, 103,647.50 and 19,191.18 is: 28,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.04 : 103,647.50 = 19,191.18 : x
  2. Step 2: Convert to fraction form
    69,106.04/103,647.50 = 19,191.18/x
  3. Step 3: Cross multiply
    69,106.04x = 103,647.50 × 19,191.18
  4. Step 4: Simplify right side
    69,106.04x = 1,989,118,047.98
  5. Step 5: Solve for x
    x = 1,989,118,047.98/69,106.04
  6. Step 6: Final answer
    x = 28,783.56

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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.