Finding the Fourth Proportional to 83,895.22, 125,842.14 and 39,497.76
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Solution
The fourth proportional to 83,895.22, 125,842.14 and 39,497.76 is: 59,246.32
Step by Step Solution
- Step 1: Write the proportion equation
83,895.22 : 125,842.14 = 39,497.76 : x - Step 2: Convert to fraction form
83,895.22/125,842.14 = 39,497.76/x - Step 3: Cross multiply
83,895.22x = 125,842.14 × 39,497.76 - Step 4: Simplify right side
83,895.22x = 4,970,482,643.61 - Step 5: Solve for x
x = 4,970,482,643.61/83,895.22 - Step 6: Final answer
x = 59,246.32
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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.