Finding the Fourth Proportional to 93,762.56, 129,392.34 and 51,321.09
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Solution
The fourth proportional to 93,762.56, 129,392.34 and 51,321.09 is: 70,823.11
Step by Step Solution
- Step 1: Write the proportion equation
93,762.56 : 129,392.34 = 51,321.09 : x - Step 2: Convert to fraction form
93,762.56/129,392.34 = 51,321.09/x - Step 3: Cross multiply
93,762.56x = 129,392.34 × 51,321.09 - Step 4: Simplify right side
93,762.56x = 6,640,556,219.22 - Step 5: Solve for x
x = 6,640,556,219.22/93,762.56 - Step 6: Final answer
x = 70,823.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.