Finding the Fourth Proportional to 94,903.11, 130,966.40 and 54,616.14
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Solution
The fourth proportional to 94,903.11, 130,966.40 and 54,616.14 is: 75,370.34
Step by Step Solution
- Step 1: Write the proportion equation
94,903.11 : 130,966.40 = 54,616.14 : x - Step 2: Convert to fraction form
94,903.11/130,966.40 = 54,616.14/x - Step 3: Cross multiply
94,903.11x = 130,966.40 × 54,616.14 - Step 4: Simplify right side
94,903.11x = 7,152,879,374.24 - Step 5: Solve for x
x = 7,152,879,374.24/94,903.11 - Step 6: Final answer
x = 75,370.34
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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.