Finding the Fourth Proportional to 84,003.48, 115,925.70 and 46,279.08
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Solution
The fourth proportional to 84,003.48, 115,925.70 and 46,279.08 is: 63,865.62
Step by Step Solution
- Step 1: Write the proportion equation
84,003.48 : 115,925.70 = 46,279.08 : x - Step 2: Convert to fraction form
84,003.48/115,925.70 = 46,279.08/x - Step 3: Cross multiply
84,003.48x = 115,925.70 × 46,279.08 - Step 4: Simplify right side
84,003.48x = 5,364,934,744.36 - Step 5: Solve for x
x = 5,364,934,744.36/84,003.48 - Step 6: Final answer
x = 63,865.62
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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.