Finding the Fourth Proportional to 97,316.64, 134,257.50 and 68,677.88
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Solution
The fourth proportional to 97,316.64, 134,257.50 and 68,677.88 is: 94,747.62
Step by Step Solution
- Step 1: Write the proportion equation
97,316.64 : 134,257.50 = 68,677.88 : x - Step 2: Convert to fraction form
97,316.64/134,257.50 = 68,677.88/x - Step 3: Cross multiply
97,316.64x = 134,257.50 × 68,677.88 - Step 4: Simplify right side
97,316.64x = 9,220,519,802.81 - Step 5: Solve for x
x = 9,220,519,802.81/97,316.64 - Step 6: Final answer
x = 94,747.62
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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.