Finding the Fourth Proportional to 98,240.08, 135,587.62 and 57,963.72
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Solution
The fourth proportional to 98,240.08, 135,587.62 and 57,963.72 is: 79,999.56
Step by Step Solution
- Step 1: Write the proportion equation
98,240.08 : 135,587.62 = 57,963.72 : x - Step 2: Convert to fraction form
98,240.08/135,587.62 = 57,963.72/x - Step 3: Cross multiply
98,240.08x = 135,587.62 × 57,963.72 - Step 4: Simplify right side
98,240.08x = 7,859,162,841.15 - Step 5: Solve for x
x = 7,859,162,841.15/98,240.08 - Step 6: Final answer
x = 79,999.56
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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.