Finding the Fourth Proportional to 122,743.04, 169,391.52 and 69,044.96
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Solution
The fourth proportional to 122,743.04, 169,391.52 and 69,044.96 is: 95,285.49
Step by Step Solution
- Step 1: Write the proportion equation
122,743.04 : 169,391.52 = 69,044.96 : x - Step 2: Convert to fraction form
122,743.04/169,391.52 = 69,044.96/x - Step 3: Cross multiply
122,743.04x = 169,391.52 × 69,044.96 - Step 4: Simplify right side
122,743.04x = 11,695,630,722.74 - Step 5: Solve for x
x = 11,695,630,722.74/122,743.04 - Step 6: Final answer
x = 95,285.49
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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.