Finding the Fourth Proportional to 97,052.60, 133,883.52 and 56,740.08
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Solution
The fourth proportional to 97,052.60, 133,883.52 and 56,740.08 is: 78,272.62
Step by Step Solution
- Step 1: Write the proportion equation
97,052.60 : 133,883.52 = 56,740.08 : x - Step 2: Convert to fraction form
97,052.60/133,883.52 = 56,740.08/x - Step 3: Cross multiply
97,052.60x = 133,883.52 × 56,740.08 - Step 4: Simplify right side
97,052.60x = 7,596,561,635.48 - Step 5: Solve for x
x = 7,596,561,635.48/97,052.60 - Step 6: Final answer
x = 78,272.62
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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.