Finding the Fourth Proportional to 86,602.96, 129,889.80 and 24,259.12
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Solution
The fourth proportional to 86,602.96, 129,889.80 and 24,259.12 is: 36,384.58
Step by Step Solution
- Step 1: Write the proportion equation
86,602.96 : 129,889.80 = 24,259.12 : x - Step 2: Convert to fraction form
86,602.96/129,889.80 = 24,259.12/x - Step 3: Cross multiply
86,602.96x = 129,889.80 × 24,259.12 - Step 4: Simplify right side
86,602.96x = 3,151,012,244.98 - Step 5: Solve for x
x = 3,151,012,244.98/86,602.96 - Step 6: Final answer
x = 36,384.58
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1.5x scale
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.