Finding the Fourth Proportional to 93,628.49, 129,207.29 and 51,187.02
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Solution
The fourth proportional to 93,628.49, 129,207.29 and 51,187.02 is: 70,638.07
Step by Step Solution
- Step 1: Write the proportion equation
93,628.49 : 129,207.29 = 51,187.02 : x - Step 2: Convert to fraction form
93,628.49/129,207.29 = 51,187.02/x - Step 3: Cross multiply
93,628.49x = 129,207.29 × 51,187.02 - Step 4: Simplify right side
93,628.49x = 6,613,735,686.39 - Step 5: Solve for x
x = 6,613,735,686.39/93,628.49 - Step 6: Final answer
x = 70,638.07
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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.