Finding the Fourth Proportional to 77,134.04, 115,752.71 and 27,214.26
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Solution
The fourth proportional to 77,134.04, 115,752.71 and 27,214.26 is: 40,839.61
Step by Step Solution
- Step 1: Write the proportion equation
77,134.04 : 115,752.71 = 27,214.26 : x - Step 2: Convert to fraction form
77,134.04/115,752.71 = 27,214.26/x - Step 3: Cross multiply
77,134.04x = 115,752.71 × 27,214.26 - Step 4: Simplify right side
77,134.04x = 3,150,124,345.64 - Step 5: Solve for x
x = 3,150,124,345.64/77,134.04 - Step 6: Final answer
x = 40,839.61
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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.