Finding the Fourth Proportional to 104,779.08, 144,594.99 and 57,032.28
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Solution
The fourth proportional to 104,779.08, 144,594.99 and 57,032.28 is: 78,704.47
Step by Step Solution
- Step 1: Write the proportion equation
104,779.08 : 144,594.99 = 57,032.28 : x - Step 2: Convert to fraction form
104,779.08/144,594.99 = 57,032.28/x - Step 3: Cross multiply
104,779.08x = 144,594.99 × 57,032.28 - Step 4: Simplify right side
104,779.08x = 8,246,581,956.28 - Step 5: Solve for x
x = 8,246,581,956.28/104,779.08 - Step 6: Final answer
x = 78,704.47
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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.