Finding the Fourth Proportional to 94,782.36, 130,799.34 and 57,058.68
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Solution
The fourth proportional to 94,782.36, 130,799.34 and 57,058.68 is: 78,740.79
Step by Step Solution
- Step 1: Write the proportion equation
94,782.36 : 130,799.34 = 57,058.68 : x - Step 2: Convert to fraction form
94,782.36/130,799.34 = 57,058.68/x - Step 3: Cross multiply
94,782.36x = 130,799.34 × 57,058.68 - Step 4: Simplify right side
94,782.36x = 7,463,237,685.27 - Step 5: Solve for x
x = 7,463,237,685.27/94,782.36 - Step 6: Final answer
x = 78,740.79
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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.