Finding the Fourth Proportional to 83,746.04, 115,575.98 and 47,947.32
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Solution
The fourth proportional to 83,746.04, 115,575.98 and 47,947.32 is: 66,170.99
Step by Step Solution
- Step 1: Write the proportion equation
83,746.04 : 115,575.98 = 47,947.32 : x - Step 2: Convert to fraction form
83,746.04/115,575.98 = 47,947.32/x - Step 3: Cross multiply
83,746.04x = 115,575.98 × 47,947.32 - Step 4: Simplify right side
83,746.04x = 5,541,558,497.37 - Step 5: Solve for x
x = 5,541,558,497.37/83,746.04 - Step 6: Final answer
x = 66,170.99
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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.