Finding the Fourth Proportional to 81,069.19, 111,876.58 and 44,773.08
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Solution
The fourth proportional to 81,069.19, 111,876.58 and 44,773.08 is: 61,787.45
Step by Step Solution
- Step 1: Write the proportion equation
81,069.19 : 111,876.58 = 44,773.08 : x - Step 2: Convert to fraction form
81,069.19/111,876.58 = 44,773.08/x - Step 3: Cross multiply
81,069.19x = 111,876.58 × 44,773.08 - Step 4: Simplify right side
81,069.19x = 5,009,058,702.90 - Step 5: Solve for x
x = 5,009,058,702.90/81,069.19 - Step 6: Final answer
x = 61,787.45
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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.