Finding the Fourth Proportional to 98,649.08, 136,133.68 and 53,937.08
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Solution
The fourth proportional to 98,649.08, 136,133.68 and 53,937.08 is: 74,432.05
Step by Step Solution
- Step 1: Write the proportion equation
98,649.08 : 136,133.68 = 53,937.08 : x - Step 2: Convert to fraction form
98,649.08/136,133.68 = 53,937.08/x - Step 3: Cross multiply
98,649.08x = 136,133.68 × 53,937.08 - Step 4: Simplify right side
98,649.08x = 7,342,653,188.85 - Step 5: Solve for x
x = 7,342,653,188.85/98,649.08 - Step 6: Final answer
x = 74,432.05
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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.