Finding the Fourth Proportional to 94,570.68, 130,508.40 and 52,130.73
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Solution
The fourth proportional to 94,570.68, 130,508.40 and 52,130.73 is: 71,940.88
Step by Step Solution
- Step 1: Write the proportion equation
94,570.68 : 130,508.40 = 52,130.73 : x - Step 2: Convert to fraction form
94,570.68/130,508.40 = 52,130.73/x - Step 3: Cross multiply
94,570.68x = 130,508.40 × 52,130.73 - Step 4: Simplify right side
94,570.68x = 6,803,498,163.13 - Step 5: Solve for x
x = 6,803,498,163.13/94,570.68 - Step 6: Final answer
x = 71,940.88
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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.