Finding the Fourth Proportional to 68,454.56, 102,448.20 and 57,373.76
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Solution
The fourth proportional to 68,454.56, 102,448.20 and 57,373.76 is: 85,864.82
Step by Step Solution
- Step 1: Write the proportion equation
68,454.56 : 102,448.20 = 57,373.76 : x - Step 2: Convert to fraction form
68,454.56/102,448.20 = 57,373.76/x - Step 3: Cross multiply
68,454.56x = 102,448.20 × 57,373.76 - Step 4: Simplify right side
68,454.56x = 5,877,838,439.23 - Step 5: Solve for x
x = 5,877,838,439.23/68,454.56 - Step 6: Final answer
x = 85,864.82
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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.