Finding the Fourth Proportional to 89,412.36, 134,047.26 and 57,854.76
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Solution
The fourth proportional to 89,412.36, 134,047.26 and 57,854.76 is: 86,736.02
Step by Step Solution
- Step 1: Write the proportion equation
89,412.36 : 134,047.26 = 57,854.76 : x - Step 2: Convert to fraction form
89,412.36/134,047.26 = 57,854.76/x - Step 3: Cross multiply
89,412.36x = 134,047.26 × 57,854.76 - Step 4: Simplify right side
89,412.36x = 7,755,272,055.96 - Step 5: Solve for x
x = 7,755,272,055.96/89,412.36 - Step 6: Final answer
x = 86,736.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.