Finding the Fourth Proportional to 102,848.22, 141,929.91 and 57,526.02
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Solution
The fourth proportional to 102,848.22, 141,929.91 and 57,526.02 is: 79,385.55
Step by Step Solution
- Step 1: Write the proportion equation
102,848.22 : 141,929.91 = 57,526.02 : x - Step 2: Convert to fraction form
102,848.22/141,929.91 = 57,526.02/x - Step 3: Cross multiply
102,848.22x = 141,929.91 × 57,526.02 - Step 4: Simplify right side
102,848.22x = 8,164,662,841.26 - Step 5: Solve for x
x = 8,164,662,841.26/102,848.22 - Step 6: Final answer
x = 79,385.55
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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.