Finding the Fourth Proportional to 70,862.39, 106,043.93 and 44,220.91
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Solution
The fourth proportional to 70,862.39, 106,043.93 and 44,220.91 is: 66,175.56
Step by Step Solution
- Step 1: Write the proportion equation
70,862.39 : 106,043.93 = 44,220.91 : x - Step 2: Convert to fraction form
70,862.39/106,043.93 = 44,220.91/x - Step 3: Cross multiply
70,862.39x = 106,043.93 × 44,220.91 - Step 4: Simplify right side
70,862.39x = 4,689,358,333.25 - Step 5: Solve for x
x = 4,689,358,333.25/70,862.39 - Step 6: Final answer
x = 66,175.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.