Finding the Fourth Proportional to 85,703.34, 118,270.94 and 47,462.05
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Solution
The fourth proportional to 85,703.34, 118,270.94 and 47,462.05 is: 65,497.81
Step by Step Solution
- Step 1: Write the proportion equation
85,703.34 : 118,270.94 = 47,462.05 : x - Step 2: Convert to fraction form
85,703.34/118,270.94 = 47,462.05/x - Step 3: Cross multiply
85,703.34x = 118,270.94 × 47,462.05 - Step 4: Simplify right side
85,703.34x = 5,613,381,178.36 - Step 5: Solve for x
x = 5,613,381,178.36/85,703.34 - Step 6: Final answer
x = 65,497.81
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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.