Finding the Fourth Proportional to 97,887.05, 135,051.99 and 54,860.25
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Solution
The fourth proportional to 97,887.05, 135,051.99 and 54,860.25 is: 75,689.14
Step by Step Solution
- Step 1: Write the proportion equation
97,887.05 : 135,051.99 = 54,860.25 : x - Step 2: Convert to fraction form
97,887.05/135,051.99 = 54,860.25/x - Step 3: Cross multiply
97,887.05x = 135,051.99 × 54,860.25 - Step 4: Simplify right side
97,887.05x = 7,408,985,934.40 - Step 5: Solve for x
x = 7,408,985,934.40/97,887.05 - Step 6: Final answer
x = 75,689.14
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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.