Finding the Fourth Proportional to 77,304.22, 106,894.56 and 61,360.99
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Solution
The fourth proportional to 77,304.22, 106,894.56 and 61,360.99 is: 84,848.62
Step by Step Solution
- Step 1: Write the proportion equation
77,304.22 : 106,894.56 = 61,360.99 : x - Step 2: Convert to fraction form
77,304.22/106,894.56 = 61,360.99/x - Step 3: Cross multiply
77,304.22x = 106,894.56 × 61,360.99 - Step 4: Simplify right side
77,304.22x = 6,559,156,027.21 - Step 5: Solve for x
x = 6,559,156,027.21/77,304.22 - Step 6: Final answer
x = 84,848.62
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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.