Finding the Fourth Proportional to 98,924.74, 136,516.68 and 53,602.75
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Solution
The fourth proportional to 98,924.74, 136,516.68 and 53,602.75 is: 73,972.09
Step by Step Solution
- Step 1: Write the proportion equation
98,924.74 : 136,516.68 = 53,602.75 : x - Step 2: Convert to fraction form
98,924.74/136,516.68 = 53,602.75/x - Step 3: Cross multiply
98,924.74x = 136,516.68 × 53,602.75 - Step 4: Simplify right side
98,924.74x = 7,317,669,468.87 - Step 5: Solve for x
x = 7,317,669,468.87/98,924.74 - Step 6: Final answer
x = 73,972.09
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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.