Finding the Fourth Proportional to 74,779.68, 103,192.08 and 46,484.88
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Solution
The fourth proportional to 74,779.68, 103,192.08 and 46,484.88 is: 64,146.72
Step by Step Solution
- Step 1: Write the proportion equation
74,779.68 : 103,192.08 = 46,484.88 : x - Step 2: Convert to fraction form
74,779.68/103,192.08 = 46,484.88/x - Step 3: Cross multiply
74,779.68x = 103,192.08 × 46,484.88 - Step 4: Simplify right side
74,779.68x = 4,796,871,455.75 - Step 5: Solve for x
x = 4,796,871,455.75/74,779.68 - Step 6: Final answer
x = 64,146.72
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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.