Finding the Fourth Proportional to 93,578.24, 140,236.16 and 40,878.08
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Solution
The fourth proportional to 93,578.24, 140,236.16 and 40,878.08 is: 61,259.81
Step by Step Solution
- Step 1: Write the proportion equation
93,578.24 : 140,236.16 = 40,878.08 : x - Step 2: Convert to fraction form
93,578.24/140,236.16 = 40,878.08/x - Step 3: Cross multiply
93,578.24x = 140,236.16 × 40,878.08 - Step 4: Simplify right side
93,578.24x = 5,732,584,967.37 - Step 5: Solve for x
x = 5,732,584,967.37/93,578.24 - Step 6: Final answer
x = 61,259.81
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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.