Finding the Fourth Proportional to 98,875.19, 136,447.49 and 53,552.99
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Solution
The fourth proportional to 98,875.19, 136,447.49 and 53,552.99 is: 73,902.97
Step by Step Solution
- Step 1: Write the proportion equation
98,875.19 : 136,447.49 = 53,552.99 : x - Step 2: Convert to fraction form
98,875.19/136,447.49 = 53,552.99/x - Step 3: Cross multiply
98,875.19x = 136,447.49 × 53,552.99 - Step 4: Simplify right side
98,875.19x = 7,307,170,117.49 - Step 5: Solve for x
x = 7,307,170,117.49/98,875.19 - Step 6: Final answer
x = 73,902.97
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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.