Finding the Fourth Proportional to 73,641.60, 101,692.80 and 53,614.08
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Solution
The fourth proportional to 73,641.60, 101,692.80 and 53,614.08 is: 74,036.49
Step by Step Solution
- Step 1: Write the proportion equation
73,641.60 : 101,692.80 = 53,614.08 : x - Step 2: Convert to fraction form
73,641.60/101,692.80 = 53,614.08/x - Step 3: Cross multiply
73,641.60x = 101,692.80 × 53,614.08 - Step 4: Simplify right side
73,641.60x = 5,452,165,914.62 - Step 5: Solve for x
x = 5,452,165,914.62/73,641.60 - Step 6: Final answer
x = 74,036.49
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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.