Finding the Fourth Proportional to 68,056.74, 101,981.16 and 28,592.28
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Solution
The fourth proportional to 68,056.74, 101,981.16 and 28,592.28 is: 42,844.75
Step by Step Solution
- Step 1: Write the proportion equation
68,056.74 : 101,981.16 = 28,592.28 : x - Step 2: Convert to fraction form
68,056.74/101,981.16 = 28,592.28/x - Step 3: Cross multiply
68,056.74x = 101,981.16 × 28,592.28 - Step 4: Simplify right side
68,056.74x = 2,915,873,881.44 - Step 5: Solve for x
x = 2,915,873,881.44/68,056.74 - Step 6: Final answer
x = 42,844.75
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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.