Finding the Fourth Proportional to 83,347.24, 115,019.91 and 47,539.07
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Solution
The fourth proportional to 83,347.24, 115,019.91 and 47,539.07 is: 65,604.32
Step by Step Solution
- Step 1: Write the proportion equation
83,347.24 : 115,019.91 = 47,539.07 : x - Step 2: Convert to fraction form
83,347.24/115,019.91 = 47,539.07/x - Step 3: Cross multiply
83,347.24x = 115,019.91 × 47,539.07 - Step 4: Simplify right side
83,347.24x = 5,467,938,977.78 - Step 5: Solve for x
x = 5,467,938,977.78/83,347.24 - Step 6: Final answer
x = 65,604.32
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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.