Finding the Fourth Proportional to 98,036.48, 135,266.76 and 57,747.08
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Solution
The fourth proportional to 98,036.48, 135,266.76 and 57,747.08 is: 79,677.08
Step by Step Solution
- Step 1: Write the proportion equation
98,036.48 : 135,266.76 = 57,747.08 : x - Step 2: Convert to fraction form
98,036.48/135,266.76 = 57,747.08/x - Step 3: Cross multiply
98,036.48x = 135,266.76 × 57,747.08 - Step 4: Simplify right side
98,036.48x = 7,811,260,411.06 - Step 5: Solve for x
x = 7,811,260,411.06/98,036.48 - Step 6: Final answer
x = 79,677.08
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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.