Finding the Fourth Proportional to 69,202.03, 103,802.99 and 53,430.00
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Solution
The fourth proportional to 69,202.03, 103,802.99 and 53,430.00 is: 80,144.96
Step by Step Solution
- Step 1: Write the proportion equation
69,202.03 : 103,802.99 = 53,430.00 : x - Step 2: Convert to fraction form
69,202.03/103,802.99 = 53,430.00/x - Step 3: Cross multiply
69,202.03x = 103,802.99 × 53,430.00 - Step 4: Simplify right side
69,202.03x = 5,546,194,425.94 - Step 5: Solve for x
x = 5,546,194,425.94/69,202.03 - Step 6: Final answer
x = 80,144.96
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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.