Finding the Fourth Proportional to 86,795.13, 130,058.74 and 58,604.70
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Solution
The fourth proportional to 86,795.13, 130,058.74 and 58,604.70 is: 87,816.60
Step by Step Solution
- Step 1: Write the proportion equation
86,795.13 : 130,058.74 = 58,604.70 : x - Step 2: Convert to fraction form
86,795.13/130,058.74 = 58,604.70/x - Step 3: Cross multiply
86,795.13x = 130,058.74 × 58,604.70 - Step 4: Simplify right side
86,795.13x = 7,622,053,440.08 - Step 5: Solve for x
x = 7,622,053,440.08/86,795.13 - Step 6: Final answer
x = 87,816.60
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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.