Finding the Fourth Proportional to 92,271.68, 138,407.60 and 66,027.68
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Solution
The fourth proportional to 92,271.68, 138,407.60 and 66,027.68 is: 99,041.58
Step by Step Solution
- Step 1: Write the proportion equation
92,271.68 : 138,407.60 = 66,027.68 : x - Step 2: Convert to fraction form
92,271.68/138,407.60 = 66,027.68/x - Step 3: Cross multiply
92,271.68x = 138,407.60 × 66,027.68 - Step 4: Simplify right side
92,271.68x = 9,138,732,722.37 - Step 5: Solve for x
x = 9,138,732,722.37/92,271.68 - Step 6: Final answer
x = 99,041.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.