Finding the Fourth Proportional to 77,963.63, 116,952.73 and 25,358.99
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Solution
The fourth proportional to 77,963.63, 116,952.73 and 25,358.99 is: 38,040.85
Step by Step Solution
- Step 1: Write the proportion equation
77,963.63 : 116,952.73 = 25,358.99 : x - Step 2: Convert to fraction form
77,963.63/116,952.73 = 25,358.99/x - Step 3: Cross multiply
77,963.63x = 116,952.73 × 25,358.99 - Step 4: Simplify right side
77,963.63x = 2,965,802,462.38 - Step 5: Solve for x
x = 2,965,802,462.38/77,963.63 - Step 6: Final answer
x = 38,040.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.