Finding the Fourth Proportional to 69,980.97, 104,913.95 and 27,842.95
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Solution
The fourth proportional to 69,980.97, 104,913.95 and 27,842.95 is: 41,741.54
Step by Step Solution
- Step 1: Write the proportion equation
69,980.97 : 104,913.95 = 27,842.95 : x - Step 2: Convert to fraction form
69,980.97/104,913.95 = 27,842.95/x - Step 3: Cross multiply
69,980.97x = 104,913.95 × 27,842.95 - Step 4: Simplify right side
69,980.97x = 2,921,113,462.65 - Step 5: Solve for x
x = 2,921,113,462.65/69,980.97 - Step 6: Final answer
x = 41,741.54
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1.5x scale
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.