Finding the Fourth Proportional to 77,052.79, 106,328.18 and 44,784.98
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Solution
The fourth proportional to 77,052.79, 106,328.18 and 44,784.98 is: 61,800.55
Step by Step Solution
- Step 1: Write the proportion equation
77,052.79 : 106,328.18 = 44,784.98 : x - Step 2: Convert to fraction form
77,052.79/106,328.18 = 44,784.98/x - Step 3: Cross multiply
77,052.79x = 106,328.18 × 44,784.98 - Step 4: Simplify right side
77,052.79x = 4,761,905,031.76 - Step 5: Solve for x
x = 4,761,905,031.76/77,052.79 - Step 6: Final answer
x = 61,800.55
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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.