Finding the Fourth Proportional to 98,903.18, 136,441.15 and 58,594.03
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Solution
The fourth proportional to 98,903.18, 136,441.15 and 58,594.03 is: 80,832.95
Step by Step Solution
- Step 1: Write the proportion equation
98,903.18 : 136,441.15 = 58,594.03 : x - Step 2: Convert to fraction form
98,903.18/136,441.15 = 58,594.03/x - Step 3: Cross multiply
98,903.18x = 136,441.15 × 58,594.03 - Step 4: Simplify right side
98,903.18x = 7,994,636,348.75 - Step 5: Solve for x
x = 7,994,636,348.75/98,903.18 - Step 6: Final answer
x = 80,832.95
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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.