Finding the Fourth Proportional to 97,476.84, 145,882.58 and 81,699.68
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Solution
The fourth proportional to 97,476.84, 145,882.58 and 81,699.68 is: 122,270.67
Step by Step Solution
- Step 1: Write the proportion equation
97,476.84 : 145,882.58 = 81,699.68 : x - Step 2: Convert to fraction form
97,476.84/145,882.58 = 81,699.68/x - Step 3: Cross multiply
97,476.84x = 145,882.58 × 81,699.68 - Step 4: Simplify right side
97,476.84x = 11,918,558,965.66 - Step 5: Solve for x
x = 11,918,558,965.66/97,476.84 - Step 6: Final answer
x = 122,270.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.