Finding the Fourth Proportional to 104,643.30, 157,051.35 and 48,569.70
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Solution
The fourth proportional to 104,643.30, 157,051.35 and 48,569.70 is: 72,894.65
Step by Step Solution
- Step 1: Write the proportion equation
104,643.30 : 157,051.35 = 48,569.70 : x - Step 2: Convert to fraction form
104,643.30/157,051.35 = 48,569.70/x - Step 3: Cross multiply
104,643.30x = 157,051.35 × 48,569.70 - Step 4: Simplify right side
104,643.30x = 7,627,936,954.10 - Step 5: Solve for x
x = 7,627,936,954.10/104,643.30 - Step 6: Final answer
x = 72,894.65
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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.