Finding the Fourth Proportional to 97,985.25, 147,033.99 and 53,008.07
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Solution
The fourth proportional to 97,985.25, 147,033.99 and 53,008.07 is: 79,542.45
Step by Step Solution
- Step 1: Write the proportion equation
97,985.25 : 147,033.99 = 53,008.07 : x - Step 2: Convert to fraction form
97,985.25/147,033.99 = 53,008.07/x - Step 3: Cross multiply
97,985.25x = 147,033.99 × 53,008.07 - Step 4: Simplify right side
97,985.25x = 7,793,987,299.13 - Step 5: Solve for x
x = 7,793,987,299.13/97,985.25 - Step 6: Final answer
x = 79,542.45
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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.