Finding the Fourth Proportional to 88,901.69, 122,679.36 and 48,607.43
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Solution
The fourth proportional to 88,901.69, 122,679.36 and 48,607.43 is: 67,075.53
Step by Step Solution
- Step 1: Write the proportion equation
88,901.69 : 122,679.36 = 48,607.43 : x - Step 2: Convert to fraction form
88,901.69/122,679.36 = 48,607.43/x - Step 3: Cross multiply
88,901.69x = 122,679.36 × 48,607.43 - Step 4: Simplify right side
88,901.69x = 5,963,127,790.25 - Step 5: Solve for x
x = 5,963,127,790.25/88,901.69 - Step 6: Final answer
x = 67,075.53
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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.