Finding the Fourth Proportional to 77,259.36, 106,610.24 and 45,436.08
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Solution
The fourth proportional to 77,259.36, 106,610.24 and 45,436.08 is: 62,697.28
Step by Step Solution
- Step 1: Write the proportion equation
77,259.36 : 106,610.24 = 45,436.08 : x - Step 2: Convert to fraction form
77,259.36/106,610.24 = 45,436.08/x - Step 3: Cross multiply
77,259.36x = 106,610.24 × 45,436.08 - Step 4: Simplify right side
77,259.36x = 4,843,951,393.46 - Step 5: Solve for x
x = 4,843,951,393.46/77,259.36 - Step 6: Final answer
x = 62,697.28
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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.