Finding the Fourth Proportional to 83,547.91, 125,371.14 and 39,175.03
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Solution
The fourth proportional to 83,547.91, 125,371.14 and 39,175.03 is: 58,785.65
Step by Step Solution
- Step 1: Write the proportion equation
83,547.91 : 125,371.14 = 39,175.03 : x - Step 2: Convert to fraction form
83,547.91/125,371.14 = 39,175.03/x - Step 3: Cross multiply
83,547.91x = 125,371.14 × 39,175.03 - Step 4: Simplify right side
83,547.91x = 4,911,418,170.63 - Step 5: Solve for x
x = 4,911,418,170.63/83,547.91 - Step 6: Final answer
x = 58,785.65
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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.