Finding the Fourth Proportional to 98,496.08, 135,929.68 and 60,243.63
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Solution
The fourth proportional to 98,496.08, 135,929.68 and 60,243.63 is: 83,139.32
Step by Step Solution
- Step 1: Write the proportion equation
98,496.08 : 135,929.68 = 60,243.63 : x - Step 2: Convert to fraction form
98,496.08/135,929.68 = 60,243.63/x - Step 3: Cross multiply
98,496.08x = 135,929.68 × 60,243.63 - Step 4: Simplify right side
98,496.08x = 8,188,897,347.94 - Step 5: Solve for x
x = 8,188,897,347.94/98,496.08 - Step 6: Final answer
x = 83,139.32
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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.