Finding the Fourth Proportional to 88,058.15, 132,091.40 and 28,092.99
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Solution
The fourth proportional to 88,058.15, 132,091.40 and 28,092.99 is: 42,140.82
Step by Step Solution
- Step 1: Write the proportion equation
88,058.15 : 132,091.40 = 28,092.99 : x - Step 2: Convert to fraction form
88,058.15/132,091.40 = 28,092.99/x - Step 3: Cross multiply
88,058.15x = 132,091.40 × 28,092.99 - Step 4: Simplify right side
88,058.15x = 3,710,842,449.52 - Step 5: Solve for x
x = 3,710,842,449.52/88,058.15 - Step 6: Final answer
x = 42,140.82
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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.