Finding the Fourth Proportional to 83,427.96, 115,107.66 and 47,605.08
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Solution
The fourth proportional to 83,427.96, 115,107.66 and 47,605.08 is: 65,681.93
Step by Step Solution
- Step 1: Write the proportion equation
83,427.96 : 115,107.66 = 47,605.08 : x - Step 2: Convert to fraction form
83,427.96/115,107.66 = 47,605.08/x - Step 3: Cross multiply
83,427.96x = 115,107.66 × 47,605.08 - Step 4: Simplify right side
83,427.96x = 5,479,709,362.91 - Step 5: Solve for x
x = 5,479,709,362.91/83,427.96 - Step 6: Final answer
x = 65,681.93
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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.