Finding the Fourth Proportional to 97,813.80, 135,015.12 and 57,525.66
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Solution
The fourth proportional to 97,813.80, 135,015.12 and 57,525.66 is: 79,404.28
Step by Step Solution
- Step 1: Write the proportion equation
97,813.80 : 135,015.12 = 57,525.66 : x - Step 2: Convert to fraction form
97,813.80/135,015.12 = 57,525.66/x - Step 3: Cross multiply
97,813.80x = 135,015.12 × 57,525.66 - Step 4: Simplify right side
97,813.80x = 7,766,833,887.98 - Step 5: Solve for x
x = 7,766,833,887.98/97,813.80 - Step 6: Final answer
x = 79,404.28
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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.