Finding the Fourth Proportional to 77,032.99, 106,306.23 and 45,202.42
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Solution
The fourth proportional to 77,032.99, 106,306.23 and 45,202.42 is: 62,379.75
Step by Step Solution
- Step 1: Write the proportion equation
77,032.99 : 106,306.23 = 45,202.42 : x - Step 2: Convert to fraction form
77,032.99/106,306.23 = 45,202.42/x - Step 3: Cross multiply
77,032.99x = 106,306.23 × 45,202.42 - Step 4: Simplify right side
77,032.99x = 4,805,298,857.08 - Step 5: Solve for x
x = 4,805,298,857.08/77,032.99 - Step 6: Final answer
x = 62,379.75
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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.