Finding the Fourth Proportional to 69,570.96, 104,356.08 and 16,980.72
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Solution
The fourth proportional to 69,570.96, 104,356.08 and 16,980.72 is: 25,470.99
Step by Step Solution
- Step 1: Write the proportion equation
69,570.96 : 104,356.08 = 16,980.72 : x - Step 2: Convert to fraction form
69,570.96/104,356.08 = 16,980.72/x - Step 3: Cross multiply
69,570.96x = 104,356.08 × 16,980.72 - Step 4: Simplify right side
69,570.96x = 1,772,041,374.78 - Step 5: Solve for x
x = 1,772,041,374.78/69,570.96 - Step 6: Final answer
x = 25,470.99
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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.