Finding the Fourth Proportional to 68,070.24, 102,001.41 and 28,605.78
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Solution
The fourth proportional to 68,070.24, 102,001.41 and 28,605.78 is: 42,864.99
Step by Step Solution
- Step 1: Write the proportion equation
68,070.24 : 102,001.41 = 28,605.78 : x - Step 2: Convert to fraction form
68,070.24/102,001.41 = 28,605.78/x - Step 3: Cross multiply
68,070.24x = 102,001.41 × 28,605.78 - Step 4: Simplify right side
68,070.24x = 2,917,829,894.15 - Step 5: Solve for x
x = 2,917,829,894.15/68,070.24 - Step 6: Final answer
x = 42,864.99
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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.