Finding the Fourth Proportional to 76,783.08, 105,924.42 and 44,932.26
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Solution
The fourth proportional to 76,783.08, 105,924.42 and 44,932.26 is: 61,985.32
Step by Step Solution
- Step 1: Write the proportion equation
76,783.08 : 105,924.42 = 44,932.26 : x - Step 2: Convert to fraction form
76,783.08/105,924.42 = 44,932.26/x - Step 3: Cross multiply
76,783.08x = 105,924.42 × 44,932.26 - Step 4: Simplify right side
76,783.08x = 4,759,423,579.79 - Step 5: Solve for x
x = 4,759,423,579.79/76,783.08 - Step 6: Final answer
x = 61,985.32
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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.