Finding the Fourth Proportional to 106,030.08, 146,324.88 and 58,285.44
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Solution
The fourth proportional to 106,030.08, 146,324.88 and 58,285.44 is: 80,435.76
Step by Step Solution
- Step 1: Write the proportion equation
106,030.08 : 146,324.88 = 58,285.44 : x - Step 2: Convert to fraction form
106,030.08/146,324.88 = 58,285.44/x - Step 3: Cross multiply
106,030.08x = 146,324.88 × 58,285.44 - Step 4: Simplify right side
106,030.08x = 8,528,610,013.75 - Step 5: Solve for x
x = 8,528,610,013.75/106,030.08 - Step 6: Final answer
x = 80,435.76
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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.