Finding the Fourth Proportional to 88,853.72, 133,214.74 and 53,785.08
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Solution
The fourth proportional to 88,853.72, 133,214.74 and 53,785.08 is: 80,637.77
Step by Step Solution
- Step 1: Write the proportion equation
88,853.72 : 133,214.74 = 53,785.08 : x - Step 2: Convert to fraction form
88,853.72/133,214.74 = 53,785.08/x - Step 3: Cross multiply
88,853.72x = 133,214.74 × 53,785.08 - Step 4: Simplify right side
88,853.72x = 7,164,965,448.08 - Step 5: Solve for x
x = 7,164,965,448.08/88,853.72 - Step 6: Final answer
x = 80,637.77
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1.5x scale
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.