Finding the Fourth Proportional to 70,878.24, 106,284.56 and 41,304.53
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Solution
The fourth proportional to 70,878.24, 106,284.56 and 41,304.53 is: 61,937.68
Step by Step Solution
- Step 1: Write the proportion equation
70,878.24 : 106,284.56 = 41,304.53 : x - Step 2: Convert to fraction form
70,878.24/106,284.56 = 41,304.53/x - Step 3: Cross multiply
70,878.24x = 106,284.56 × 41,304.53 - Step 4: Simplify right side
70,878.24x = 4,390,033,856.25 - Step 5: Solve for x
x = 4,390,033,856.25/70,878.24 - Step 6: Final answer
x = 61,937.68
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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.