Finding the Fourth Proportional to 73,664.23, 101,656.62 and 40,130.23
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Solution
The fourth proportional to 73,664.23, 101,656.62 and 40,130.23 is: 55,379.71
Step by Step Solution
- Step 1: Write the proportion equation
73,664.23 : 101,656.62 = 40,130.23 : x - Step 2: Convert to fraction form
73,664.23/101,656.62 = 40,130.23/x - Step 3: Cross multiply
73,664.23x = 101,656.62 × 40,130.23 - Step 4: Simplify right side
73,664.23x = 4,079,503,541.62 - Step 5: Solve for x
x = 4,079,503,541.62/73,664.23 - Step 6: Final answer
x = 55,379.71
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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.