Finding the Fourth Proportional to 73,400.58, 101,292.84 and 39,866.58
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Solution
The fourth proportional to 73,400.58, 101,292.84 and 39,866.58 is: 55,015.90
Step by Step Solution
- Step 1: Write the proportion equation
73,400.58 : 101,292.84 = 39,866.58 : x - Step 2: Convert to fraction form
73,400.58/101,292.84 = 39,866.58/x - Step 3: Cross multiply
73,400.58x = 101,292.84 × 39,866.58 - Step 4: Simplify right side
73,400.58x = 4,038,199,109.29 - Step 5: Solve for x
x = 4,038,199,109.29/73,400.58 - Step 6: Final answer
x = 55,015.90
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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.