Finding the Fourth Proportional to 96,985.35, 133,858.16 and 60,703.62
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Solution
The fourth proportional to 96,985.35, 133,858.16 and 60,703.62 is: 83,782.49
Step by Step Solution
- Step 1: Write the proportion equation
96,985.35 : 133,858.16 = 60,703.62 : x - Step 2: Convert to fraction form
96,985.35/133,858.16 = 60,703.62/x - Step 3: Cross multiply
96,985.35x = 133,858.16 × 60,703.62 - Step 4: Simplify right side
96,985.35x = 8,125,674,575.02 - Step 5: Solve for x
x = 8,125,674,575.02/96,985.35 - Step 6: Final answer
x = 83,782.49
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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.