Finding the Fourth Proportional to 97,971.59, 147,022.95 and 35,642.09
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Solution
The fourth proportional to 97,971.59, 147,022.95 and 35,642.09 is: 53,486.99
Step by Step Solution
- Step 1: Write the proportion equation
97,971.59 : 147,022.95 = 35,642.09 : x - Step 2: Convert to fraction form
97,971.59/147,022.95 = 35,642.09/x - Step 3: Cross multiply
97,971.59x = 147,022.95 × 35,642.09 - Step 4: Simplify right side
97,971.59x = 5,240,205,215.97 - Step 5: Solve for x
x = 5,240,205,215.97/97,971.59 - Step 6: Final answer
x = 53,486.99
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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.