Finding the Fourth Proportional to 98,881.08, 136,432.27 and 58,587.88
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Solution
The fourth proportional to 98,881.08, 136,432.27 and 58,587.88 is: 80,837.27
Step by Step Solution
- Step 1: Write the proportion equation
98,881.08 : 136,432.27 = 58,587.88 : x - Step 2: Convert to fraction form
98,881.08/136,432.27 = 58,587.88/x - Step 3: Cross multiply
98,881.08x = 136,432.27 × 58,587.88 - Step 4: Simplify right side
98,881.08x = 7,993,276,975.34 - Step 5: Solve for x
x = 7,993,276,975.34/98,881.08 - Step 6: Final answer
x = 80,837.27
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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.