Finding the Fourth Proportional to 74,355.84, 102,626.88 and 44,565.12
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Solution
The fourth proportional to 74,355.84, 102,626.88 and 44,565.12 is: 61,509.35
Step by Step Solution
- Step 1: Write the proportion equation
74,355.84 : 102,626.88 = 44,565.12 : x - Step 2: Convert to fraction form
74,355.84/102,626.88 = 44,565.12/x - Step 3: Cross multiply
74,355.84x = 102,626.88 × 44,565.12 - Step 4: Simplify right side
74,355.84x = 4,573,579,222.43 - Step 5: Solve for x
x = 4,573,579,222.43/74,355.84 - Step 6: Final answer
x = 61,509.35
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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.