Finding the Fourth Proportional to 93,316.08, 139,981.14 and 26,755.68
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Solution
The fourth proportional to 93,316.08, 139,981.14 and 26,755.68 is: 40,135.53
Step by Step Solution
- Step 1: Write the proportion equation
93,316.08 : 139,981.14 = 26,755.68 : x - Step 2: Convert to fraction form
93,316.08/139,981.14 = 26,755.68/x - Step 3: Cross multiply
93,316.08x = 139,981.14 × 26,755.68 - Step 4: Simplify right side
93,316.08x = 3,745,290,587.88 - Step 5: Solve for x
x = 3,745,290,587.88/93,316.08 - Step 6: Final answer
x = 40,135.53
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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.