Finding the Fourth Proportional to 83,735.08, 115,547.69 and 47,916.88
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Solution
The fourth proportional to 83,735.08, 115,547.69 and 47,916.88 is: 66,121.45
Step by Step Solution
- Step 1: Write the proportion equation
83,735.08 : 115,547.69 = 47,916.88 : x - Step 2: Convert to fraction form
83,735.08/115,547.69 = 47,916.88/x - Step 3: Cross multiply
83,735.08x = 115,547.69 × 47,916.88 - Step 4: Simplify right side
83,735.08x = 5,536,684,626.93 - Step 5: Solve for x
x = 5,536,684,626.93/83,735.08 - Step 6: Final answer
x = 66,121.45
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1.5x scale
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.