Finding the Fourth Proportional to 97,695.99, 134,827.72 and 54,679.79
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Solution
The fourth proportional to 97,695.99, 134,827.72 and 54,679.79 is: 75,462.17
Step by Step Solution
- Step 1: Write the proportion equation
97,695.99 : 134,827.72 = 54,679.79 : x - Step 2: Convert to fraction form
97,695.99/134,827.72 = 54,679.79/x - Step 3: Cross multiply
97,695.99x = 134,827.72 × 54,679.79 - Step 4: Simplify right side
97,695.99x = 7,372,351,616.15 - Step 5: Solve for x
x = 7,372,351,616.15/97,695.99 - Step 6: Final answer
x = 75,462.17
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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.