Finding the Fourth Proportional to 70,727.34, 106,083.08 and 18,138.06
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Solution
The fourth proportional to 70,727.34, 106,083.08 and 18,138.06 is: 27,205.06
Step by Step Solution
- Step 1: Write the proportion equation
70,727.34 : 106,083.08 = 18,138.06 : x - Step 2: Convert to fraction form
70,727.34/106,083.08 = 18,138.06/x - Step 3: Cross multiply
70,727.34x = 106,083.08 × 18,138.06 - Step 4: Simplify right side
70,727.34x = 1,924,141,270.02 - Step 5: Solve for x
x = 1,924,141,270.02/70,727.34 - Step 6: Final answer
x = 27,205.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.