Finding the Fourth Proportional to 93,668.67, 129,140.73 and 68,179.19
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Solution
The fourth proportional to 93,668.67, 129,140.73 and 68,179.19 is: 93,998.45
Step by Step Solution
- Step 1: Write the proportion equation
93,668.67 : 129,140.73 = 68,179.19 : x - Step 2: Convert to fraction form
93,668.67/129,140.73 = 68,179.19/x - Step 3: Cross multiply
93,668.67x = 129,140.73 × 68,179.19 - Step 4: Simplify right side
93,668.67x = 8,804,709,721.71 - Step 5: Solve for x
x = 8,804,709,721.71/93,668.67 - Step 6: Final answer
x = 93,998.45
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1.5x scale
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.