Finding the Fourth Proportional to 86,925.44, 119,952.96 and 53,384.96
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Solution
The fourth proportional to 86,925.44, 119,952.96 and 53,384.96 is: 73,668.70
Step by Step Solution
- Step 1: Write the proportion equation
86,925.44 : 119,952.96 = 53,384.96 : x - Step 2: Convert to fraction form
86,925.44/119,952.96 = 53,384.96/x - Step 3: Cross multiply
86,925.44x = 119,952.96 × 53,384.96 - Step 4: Simplify right side
86,925.44x = 6,403,683,971.48 - Step 5: Solve for x
x = 6,403,683,971.48/86,925.44 - Step 6: Final answer
x = 73,668.70
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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.