Finding the Fourth Proportional to 98,650.62, 147,916.80 and 47,949.80
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Solution
The fourth proportional to 98,650.62, 147,916.80 and 47,949.80 is: 71,895.95
Step by Step Solution
- Step 1: Write the proportion equation
98,650.62 : 147,916.80 = 47,949.80 : x - Step 2: Convert to fraction form
98,650.62/147,916.80 = 47,949.80/x - Step 3: Cross multiply
98,650.62x = 147,916.80 × 47,949.80 - Step 4: Simplify right side
98,650.62x = 7,092,580,237.06 - Step 5: Solve for x
x = 7,092,580,237.06/98,650.62 - Step 6: Final answer
x = 71,895.95
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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.