Finding the Fourth Proportional to 69,835.69, 104,774.19 and 40,274.74
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Solution
The fourth proportional to 69,835.69, 104,774.19 and 40,274.74 is: 60,424.02
Step by Step Solution
- Step 1: Write the proportion equation
69,835.69 : 104,774.19 = 40,274.74 : x - Step 2: Convert to fraction form
69,835.69/104,774.19 = 40,274.74/x - Step 3: Cross multiply
69,835.69x = 104,774.19 × 40,274.74 - Step 4: Simplify right side
69,835.69x = 4,219,752,999.03 - Step 5: Solve for x
x = 4,219,752,999.03/69,835.69 - Step 6: Final answer
x = 60,424.02
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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.