Finding the Fourth Proportional to 93,769.83, 129,370.33 and 53,454.53
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Solution
The fourth proportional to 93,769.83, 129,370.33 and 53,454.53 is: 73,748.99
Step by Step Solution
- Step 1: Write the proportion equation
93,769.83 : 129,370.33 = 53,454.53 : x - Step 2: Convert to fraction form
93,769.83/129,370.33 = 53,454.53/x - Step 3: Cross multiply
93,769.83x = 129,370.33 × 53,454.53 - Step 4: Simplify right side
93,769.83x = 6,915,430,186.09 - Step 5: Solve for x
x = 6,915,430,186.09/93,769.83 - Step 6: Final answer
x = 73,748.99
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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.