Finding the Fourth Proportional to 74,040.98, 110,479.93 and 69,522.08
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Solution
The fourth proportional to 74,040.98, 110,479.93 and 69,522.08 is: 103,737.07
Step by Step Solution
- Step 1: Write the proportion equation
74,040.98 : 110,479.93 = 69,522.08 : x - Step 2: Convert to fraction form
74,040.98/110,479.93 = 69,522.08/x - Step 3: Cross multiply
74,040.98x = 110,479.93 × 69,522.08 - Step 4: Simplify right side
74,040.98x = 7,680,794,531.85 - Step 5: Solve for x
x = 7,680,794,531.85/74,040.98 - Step 6: Final answer
x = 103,737.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.