Finding the Fourth Proportional to 79,684.56, 119,547.66 and 29,765.07
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Solution
The fourth proportional to 79,684.56, 119,547.66 and 29,765.07 is: 44,655.38
Step by Step Solution
- Step 1: Write the proportion equation
79,684.56 : 119,547.66 = 29,765.07 : x - Step 2: Convert to fraction form
79,684.56/119,547.66 = 29,765.07/x - Step 3: Cross multiply
79,684.56x = 119,547.66 × 29,765.07 - Step 4: Simplify right side
79,684.56x = 3,558,344,468.24 - Step 5: Solve for x
x = 3,558,344,468.24/79,684.56 - Step 6: Final answer
x = 44,655.38
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1.5x scale
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.