Finding the Fourth Proportional to 94,030.24, 129,655.36 and 59,993.28
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Solution
The fourth proportional to 94,030.24, 129,655.36 and 59,993.28 is: 82,722.86
Step by Step Solution
- Step 1: Write the proportion equation
94,030.24 : 129,655.36 = 59,993.28 : x - Step 2: Convert to fraction form
94,030.24/129,655.36 = 59,993.28/x - Step 3: Cross multiply
94,030.24x = 129,655.36 × 59,993.28 - Step 4: Simplify right side
94,030.24x = 7,778,450,315.98 - Step 5: Solve for x
x = 7,778,450,315.98/94,030.24 - Step 6: Final answer
x = 82,722.86
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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.