Finding the Fourth Proportional to 97,712.19, 146,469.62 and 47,036.80
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Solution
The fourth proportional to 97,712.19, 146,469.62 and 47,036.80 is: 70,507.70
Step by Step Solution
- Step 1: Write the proportion equation
97,712.19 : 146,469.62 = 47,036.80 : x - Step 2: Convert to fraction form
97,712.19/146,469.62 = 47,036.80/x - Step 3: Cross multiply
97,712.19x = 146,469.62 × 47,036.80 - Step 4: Simplify right side
97,712.19x = 6,889,461,620.66 - Step 5: Solve for x
x = 6,889,461,620.66/97,712.19 - Step 6: Final answer
x = 70,507.70
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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.