Finding the Fourth Proportional to 58,701,164.19, 81,015,081.35 and 35,496,457.53
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Solution
The fourth proportional to 58,701,164.19, 81,015,081.35 and 35,496,457.53 is: 48,989,631.37
Step by Step Solution
- Step 1: Write the proportion equation
58,701,164.19 : 81,015,081.35 = 35,496,457.53 : x - Step 2: Convert to fraction form
58,701,164.19/81,015,081.35 = 35,496,457.53/x - Step 3: Cross multiply
58,701,164.19x = 81,015,081.35 × 35,496,457.53 - Step 4: Simplify right side
58,701,164.19x = 2,875,748,394,429,770 - Step 5: Solve for x
x = 2,875,748,394,429,770/58,701,164.19 - Step 6: Final answer
x = 48,989,631.37
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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.