Finding the Fourth Proportional to 93,556.76, 129,071.67 and 57,684.49
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Solution
The fourth proportional to 93,556.76, 129,071.67 and 57,684.49 is: 79,581.99
Step by Step Solution
- Step 1: Write the proportion equation
93,556.76 : 129,071.67 = 57,684.49 : x - Step 2: Convert to fraction form
93,556.76/129,071.67 = 57,684.49/x - Step 3: Cross multiply
93,556.76x = 129,071.67 × 57,684.49 - Step 4: Simplify right side
93,556.76x = 7,445,432,812.04 - Step 5: Solve for x
x = 7,445,432,812.04/93,556.76 - Step 6: Final answer
x = 79,581.99
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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.