Finding the Fourth Proportional to 97,860.75, 135,047.88 and 53,148.75
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Solution
The fourth proportional to 97,860.75, 135,047.88 and 53,148.75 is: 73,345.30
Step by Step Solution
- Step 1: Write the proportion equation
97,860.75 : 135,047.88 = 53,148.75 : x - Step 2: Convert to fraction form
97,860.75/135,047.88 = 53,148.75/x - Step 3: Cross multiply
97,860.75x = 135,047.88 × 53,148.75 - Step 4: Simplify right side
97,860.75x = 7,177,626,012.15 - Step 5: Solve for x
x = 7,177,626,012.15/97,860.75 - Step 6: Final answer
x = 73,345.30
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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.