Finding the Fourth Proportional to 91,259.39, 136,602.30 and 58,016.99
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Solution
The fourth proportional to 91,259.39, 136,602.30 and 58,016.99 is: 86,843.17
Step by Step Solution
- Step 1: Write the proportion equation
91,259.39 : 136,602.30 = 58,016.99 : x - Step 2: Convert to fraction form
91,259.39/136,602.30 = 58,016.99/x - Step 3: Cross multiply
91,259.39x = 136,602.30 × 58,016.99 - Step 4: Simplify right side
91,259.39x = 7,925,254,273.08 - Step 5: Solve for x
x = 7,925,254,273.08/91,259.39 - Step 6: Final answer
x = 86,843.17
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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.