Finding the Fourth Proportional to 74,466.69, 102,778.97 and 44,246.19
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Solution
The fourth proportional to 74,466.69, 102,778.97 and 44,246.19 is: 61,068.62
Step by Step Solution
- Step 1: Write the proportion equation
74,466.69 : 102,778.97 = 44,246.19 : x - Step 2: Convert to fraction form
74,466.69/102,778.97 = 44,246.19/x - Step 3: Cross multiply
74,466.69x = 102,778.97 × 44,246.19 - Step 4: Simplify right side
74,466.69x = 4,547,577,834.62 - Step 5: Solve for x
x = 4,547,577,834.62/74,466.69 - Step 6: Final answer
x = 61,068.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.