Finding the Fourth Proportional to 93,291.66, 128,745.97 and 53,012.26
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Solution
The fourth proportional to 93,291.66, 128,745.97 and 53,012.26 is: 73,158.90
Step by Step Solution
- Step 1: Write the proportion equation
93,291.66 : 128,745.97 = 53,012.26 : x - Step 2: Convert to fraction form
93,291.66/128,745.97 = 53,012.26/x - Step 3: Cross multiply
93,291.66x = 128,745.97 × 53,012.26 - Step 4: Simplify right side
93,291.66x = 6,825,114,835.59 - Step 5: Solve for x
x = 6,825,114,835.59/93,291.66 - Step 6: Final answer
x = 73,158.90
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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.