Finding the Fourth Proportional to 97,962.88, 135,165.20 and 62,139.84
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Solution
The fourth proportional to 97,962.88, 135,165.20 and 62,139.84 is: 85,738.03
Step by Step Solution
- Step 1: Write the proportion equation
97,962.88 : 135,165.20 = 62,139.84 : x - Step 2: Convert to fraction form
97,962.88/135,165.20 = 62,139.84/x - Step 3: Cross multiply
97,962.88x = 135,165.20 × 62,139.84 - Step 4: Simplify right side
97,962.88x = 8,399,143,901.57 - Step 5: Solve for x
x = 8,399,143,901.57/97,962.88 - Step 6: Final answer
x = 85,738.03
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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.