Finding the Fourth Proportional to 69,866.93, 104,478.45 and 51,889.09
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Solution
The fourth proportional to 69,866.93, 104,478.45 and 51,889.09 is: 77,594.52
Step by Step Solution
- Step 1: Write the proportion equation
69,866.93 : 104,478.45 = 51,889.09 : x - Step 2: Convert to fraction form
69,866.93/104,478.45 = 51,889.09/x - Step 3: Cross multiply
69,866.93x = 104,478.45 × 51,889.09 - Step 4: Simplify right side
69,866.93x = 5,421,291,172.72 - Step 5: Solve for x
x = 5,421,291,172.72/69,866.93 - Step 6: Final answer
x = 77,594.52
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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.