Finding the Fourth Proportional to 77,130.47, 115,674.95 and 27,204.09
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Solution
The fourth proportional to 77,130.47, 115,674.95 and 27,204.09 is: 40,798.82
Step by Step Solution
- Step 1: Write the proportion equation
77,130.47 : 115,674.95 = 27,204.09 : x - Step 2: Convert to fraction form
77,130.47/115,674.95 = 27,204.09/x - Step 3: Cross multiply
77,130.47x = 115,674.95 × 27,204.09 - Step 4: Simplify right side
77,130.47x = 3,146,831,614.53 - Step 5: Solve for x
x = 3,146,831,614.53/77,130.47 - Step 6: Final answer
x = 40,798.82
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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.