Finding the Fourth Proportional to 75,058.29, 103,606.47 and 43,239.87
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Solution
The fourth proportional to 75,058.29, 103,606.47 and 43,239.87 is: 59,686.02
Step by Step Solution
- Step 1: Write the proportion equation
75,058.29 : 103,606.47 = 43,239.87 : x - Step 2: Convert to fraction form
75,058.29/103,606.47 = 43,239.87/x - Step 3: Cross multiply
75,058.29x = 103,606.47 × 43,239.87 - Step 4: Simplify right side
75,058.29x = 4,479,930,293.96 - Step 5: Solve for x
x = 4,479,930,293.96/75,058.29 - Step 6: Final answer
x = 59,686.02
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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.