Finding the Fourth Proportional to 86,875.68, 130,336.80 and 36,958.08
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Solution
The fourth proportional to 86,875.68, 130,336.80 and 36,958.08 is: 55,447.02
Step by Step Solution
- Step 1: Write the proportion equation
86,875.68 : 130,336.80 = 36,958.08 : x - Step 2: Convert to fraction form
86,875.68/130,336.80 = 36,958.08/x - Step 3: Cross multiply
86,875.68x = 130,336.80 × 36,958.08 - Step 4: Simplify right side
86,875.68x = 4,816,997,881.34 - Step 5: Solve for x
x = 4,816,997,881.34/86,875.68 - Step 6: Final answer
x = 55,447.02
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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.