Finding the Fourth Proportional to 77,148.84, 106,511.88 and 50,337.84
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Solution
The fourth proportional to 77,148.84, 106,511.88 and 50,337.84 is: 69,496.55
Step by Step Solution
- Step 1: Write the proportion equation
77,148.84 : 106,511.88 = 50,337.84 : x - Step 2: Convert to fraction form
77,148.84/106,511.88 = 50,337.84/x - Step 3: Cross multiply
77,148.84x = 106,511.88 × 50,337.84 - Step 4: Simplify right side
77,148.84x = 5,361,577,973.54 - Step 5: Solve for x
x = 5,361,577,973.54/77,148.84 - Step 6: Final answer
x = 69,496.55
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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.