Finding the Fourth Proportional to 91,148.04, 136,726.08 and 27,963.48
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Solution
The fourth proportional to 91,148.04, 136,726.08 and 27,963.48 is: 41,946.45
Step by Step Solution
- Step 1: Write the proportion equation
91,148.04 : 136,726.08 = 27,963.48 : x - Step 2: Convert to fraction form
91,148.04/136,726.08 = 27,963.48/x - Step 3: Cross multiply
91,148.04x = 136,726.08 × 27,963.48 - Step 4: Simplify right side
91,148.04x = 3,823,337,003.56 - Step 5: Solve for x
x = 3,823,337,003.56/91,148.04 - Step 6: Final answer
x = 41,946.45
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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.