Finding the Fourth Proportional to 74,482.40, 102,778.04 and 44,261.91
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Solution
The fourth proportional to 74,482.40, 102,778.04 and 44,261.91 is: 61,076.88
Step by Step Solution
- Step 1: Write the proportion equation
74,482.40 : 102,778.04 = 44,261.91 : x - Step 2: Convert to fraction form
74,482.40/102,778.04 = 44,261.91/x - Step 3: Cross multiply
74,482.40x = 102,778.04 × 44,261.91 - Step 4: Simplify right side
74,482.40x = 4,549,152,356.46 - Step 5: Solve for x
x = 4,549,152,356.46/74,482.40 - Step 6: Final answer
x = 61,076.88
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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.