Finding the Fourth Proportional to 79,688.84, 119,551.98 and 44,652.68
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Solution
The fourth proportional to 79,688.84, 119,551.98 and 44,652.68 is: 66,989.51
Step by Step Solution
- Step 1: Write the proportion equation
79,688.84 : 119,551.98 = 44,652.68 : x - Step 2: Convert to fraction form
79,688.84/119,551.98 = 44,652.68/x - Step 3: Cross multiply
79,688.84x = 119,551.98 × 44,652.68 - Step 4: Simplify right side
79,688.84x = 5,338,316,306.31 - Step 5: Solve for x
x = 5,338,316,306.31/79,688.84 - Step 6: Final answer
x = 66,989.51
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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.