Finding the Fourth Proportional to 98,097.48, 135,370.44 and 57,812.94
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Solution
The fourth proportional to 98,097.48, 135,370.44 and 57,812.94 is: 79,779.45
Step by Step Solution
- Step 1: Write the proportion equation
98,097.48 : 135,370.44 = 57,812.94 : x - Step 2: Convert to fraction form
98,097.48/135,370.44 = 57,812.94/x - Step 3: Cross multiply
98,097.48x = 135,370.44 × 57,812.94 - Step 4: Simplify right side
98,097.48x = 7,826,163,125.49 - Step 5: Solve for x
x = 7,826,163,125.49/98,097.48 - Step 6: Final answer
x = 79,779.45
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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.