Finding the Fourth Proportional to 96,346.80, 133,012.16 and 58,115.99
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Solution
The fourth proportional to 96,346.80, 133,012.16 and 58,115.99 is: 80,232.37
Step by Step Solution
- Step 1: Write the proportion equation
96,346.80 : 133,012.16 = 58,115.99 : x - Step 2: Convert to fraction form
96,346.80/133,012.16 = 58,115.99/x - Step 3: Cross multiply
96,346.80x = 133,012.16 × 58,115.99 - Step 4: Simplify right side
96,346.80x = 7,730,132,404.80 - Step 5: Solve for x
x = 7,730,132,404.80/96,346.80 - Step 6: Final answer
x = 80,232.37
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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.