Finding the Fourth Proportional to 97,770.18, 134,924.76 and 63,800.40
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Solution
The fourth proportional to 97,770.18, 134,924.76 and 63,800.40 is: 88,045.80
Step by Step Solution
- Step 1: Write the proportion equation
97,770.18 : 134,924.76 = 63,800.40 : x - Step 2: Convert to fraction form
97,770.18/134,924.76 = 63,800.40/x - Step 3: Cross multiply
97,770.18x = 134,924.76 × 63,800.40 - Step 4: Simplify right side
97,770.18x = 8,608,253,657.90 - Step 5: Solve for x
x = 8,608,253,657.90/97,770.18 - Step 6: Final answer
x = 88,045.80
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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.