Finding the Fourth Proportional to 69,973.24, 104,959.47 and 17,382.70
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Solution
The fourth proportional to 69,973.24, 104,959.47 and 17,382.70 is: 26,073.95
Step by Step Solution
- Step 1: Write the proportion equation
69,973.24 : 104,959.47 = 17,382.70 : x - Step 2: Convert to fraction form
69,973.24/104,959.47 = 17,382.70/x - Step 3: Cross multiply
69,973.24x = 104,959.47 × 17,382.70 - Step 4: Simplify right side
69,973.24x = 1,824,478,979.17 - Step 5: Solve for x
x = 1,824,478,979.17/69,973.24 - Step 6: Final answer
x = 26,073.95
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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.