Finding the Fourth Proportional to 69,033.11, 103,383.59 and 39,360.99
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Solution
The fourth proportional to 69,033.11, 103,383.59 and 39,360.99 is: 58,946.79
Step by Step Solution
- Step 1: Write the proportion equation
69,033.11 : 103,383.59 = 39,360.99 : x - Step 2: Convert to fraction form
69,033.11/103,383.59 = 39,360.99/x - Step 3: Cross multiply
69,033.11x = 103,383.59 × 39,360.99 - Step 4: Simplify right side
69,033.11x = 4,069,279,966.06 - Step 5: Solve for x
x = 4,069,279,966.06/69,033.11 - Step 6: Final answer
x = 58,946.79
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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.