Finding the Fourth Proportional to 104,293.92, 143,924.92 and 56,547.12
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Solution
The fourth proportional to 104,293.92, 143,924.92 and 56,547.12 is: 78,034.65
Step by Step Solution
- Step 1: Write the proportion equation
104,293.92 : 143,924.92 = 56,547.12 : x - Step 2: Convert to fraction form
104,293.92/143,924.92 = 56,547.12/x - Step 3: Cross multiply
104,293.92x = 143,924.92 × 56,547.12 - Step 4: Simplify right side
104,293.92x = 8,138,539,722.23 - Step 5: Solve for x
x = 8,138,539,722.23/104,293.92 - Step 6: Final answer
x = 78,034.65
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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.