Finding the Fourth Proportional to 86,818.04, 130,138.26 and 58,741.06
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Solution
The fourth proportional to 86,818.04, 130,138.26 and 58,741.06 is: 88,051.51
Step by Step Solution
- Step 1: Write the proportion equation
86,818.04 : 130,138.26 = 58,741.06 : x - Step 2: Convert to fraction form
86,818.04/130,138.26 = 58,741.06/x - Step 3: Cross multiply
86,818.04x = 130,138.26 × 58,741.06 - Step 4: Simplify right side
86,818.04x = 7,644,459,501.63 - Step 5: Solve for x
x = 7,644,459,501.63/86,818.04 - Step 6: Final answer
x = 88,051.51
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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.