Finding the Fourth Proportional to 96,982.58, 133,790.77 and 62,988.66
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Solution
The fourth proportional to 96,982.58, 133,790.77 and 62,988.66 is: 86,895.00
Step by Step Solution
- Step 1: Write the proportion equation
96,982.58 : 133,790.77 = 62,988.66 : x - Step 2: Convert to fraction form
96,982.58/133,790.77 = 62,988.66/x - Step 3: Cross multiply
96,982.58x = 133,790.77 × 62,988.66 - Step 4: Simplify right side
96,982.58x = 8,427,301,322.67 - Step 5: Solve for x
x = 8,427,301,322.67/96,982.58 - Step 6: Final answer
x = 86,895.00
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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.