Finding the Fourth Proportional to 93,828.36, 129,450.98 and 53,513.14
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Solution
The fourth proportional to 93,828.36, 129,450.98 and 53,513.14 is: 73,829.79
Step by Step Solution
- Step 1: Write the proportion equation
93,828.36 : 129,450.98 = 53,513.14 : x - Step 2: Convert to fraction form
93,828.36/129,450.98 = 53,513.14/x - Step 3: Cross multiply
93,828.36x = 129,450.98 × 53,513.14 - Step 4: Simplify right side
93,828.36x = 6,927,328,415.88 - Step 5: Solve for x
x = 6,927,328,415.88/93,828.36 - Step 6: Final answer
x = 73,829.79
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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.