Finding the Fourth Proportional to 77,977.08, 107,608.50 and 44,443.08
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Solution
The fourth proportional to 77,977.08, 107,608.50 and 44,443.08 is: 61,331.52
Step by Step Solution
- Step 1: Write the proportion equation
77,977.08 : 107,608.50 = 44,443.08 : x - Step 2: Convert to fraction form
77,977.08/107,608.50 = 44,443.08/x - Step 3: Cross multiply
77,977.08x = 107,608.50 × 44,443.08 - Step 4: Simplify right side
77,977.08x = 4,782,453,174.18 - Step 5: Solve for x
x = 4,782,453,174.18/77,977.08 - Step 6: Final answer
x = 61,331.52
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1.5x scale
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.