Finding the Fourth Proportional to 79,685.84, 119,547.48 and 44,649.68
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Solution
The fourth proportional to 79,685.84, 119,547.48 and 44,649.68 is: 66,985.01
Step by Step Solution
- Step 1: Write the proportion equation
79,685.84 : 119,547.48 = 44,649.68 : x - Step 2: Convert to fraction form
79,685.84/119,547.48 = 44,649.68/x - Step 3: Cross multiply
79,685.84x = 119,547.48 × 44,649.68 - Step 4: Simplify right side
79,685.84x = 5,337,756,726.81 - Step 5: Solve for x
x = 5,337,756,726.81/79,685.84 - Step 6: Final answer
x = 66,985.01
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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.