Finding the Fourth Proportional to 105,652.98, 145,787.04 and 60,328.08
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Solution
The fourth proportional to 105,652.98, 145,787.04 and 60,328.08 is: 83,244.72
Step by Step Solution
- Step 1: Write the proportion equation
105,652.98 : 145,787.04 = 60,328.08 : x - Step 2: Convert to fraction form
105,652.98/145,787.04 = 60,328.08/x - Step 3: Cross multiply
105,652.98x = 145,787.04 × 60,328.08 - Step 4: Simplify right side
105,652.98x = 8,795,052,212.08 - Step 5: Solve for x
x = 8,795,052,212.08/105,652.98 - Step 6: Final answer
x = 83,244.72
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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.