Finding the Fourth Proportional to 88,726.42, 133,039.41 and 36,073.99
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Solution
The fourth proportional to 88,726.42, 133,039.41 and 36,073.99 is: 54,090.57
Step by Step Solution
- Step 1: Write the proportion equation
88,726.42 : 133,039.41 = 36,073.99 : x - Step 2: Convert to fraction form
88,726.42/133,039.41 = 36,073.99/x - Step 3: Cross multiply
88,726.42x = 133,039.41 × 36,073.99 - Step 4: Simplify right side
88,726.42x = 4,799,262,345.95 - Step 5: Solve for x
x = 4,799,262,345.95/88,726.42 - Step 6: Final answer
x = 54,090.57
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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.