Finding the Fourth Proportional to 97,068.87, 133,967.69 and 55,692.09
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Solution
The fourth proportional to 97,068.87, 133,967.69 and 55,692.09 is: 76,862.34
Step by Step Solution
- Step 1: Write the proportion equation
97,068.87 : 133,967.69 = 55,692.09 : x - Step 2: Convert to fraction form
97,068.87/133,967.69 = 55,692.09/x - Step 3: Cross multiply
97,068.87x = 133,967.69 × 55,692.09 - Step 4: Simplify right side
97,068.87x = 7,460,940,648.57 - Step 5: Solve for x
x = 7,460,940,648.57/97,068.87 - Step 6: Final answer
x = 76,862.34
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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.