Finding the Fourth Proportional to 73,308.12, 101,162.88 and 39,774.12
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Solution
The fourth proportional to 73,308.12, 101,162.88 and 39,774.12 is: 54,887.02
Step by Step Solution
- Step 1: Write the proportion equation
73,308.12 : 101,162.88 = 39,774.12 : x - Step 2: Convert to fraction form
73,308.12/101,162.88 = 39,774.12/x - Step 3: Cross multiply
73,308.12x = 101,162.88 × 39,774.12 - Step 4: Simplify right side
73,308.12x = 4,023,664,528.67 - Step 5: Solve for x
x = 4,023,664,528.67/73,308.12 - Step 6: Final answer
x = 54,887.02
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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.