Finding the Fourth Proportional to 101,103.36, 139,587.84 and 69,262.08
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Solution
The fourth proportional to 101,103.36, 139,587.84 and 69,262.08 is: 95,626.34
Step by Step Solution
- Step 1: Write the proportion equation
101,103.36 : 139,587.84 = 69,262.08 : x - Step 2: Convert to fraction form
101,103.36/139,587.84 = 69,262.08/x - Step 3: Cross multiply
101,103.36x = 139,587.84 × 69,262.08 - Step 4: Simplify right side
101,103.36x = 9,668,144,141.11 - Step 5: Solve for x
x = 9,668,144,141.11/101,103.36 - Step 6: Final answer
x = 95,626.34
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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.