Finding the Fourth Proportional to 83,490.18, 125,027.54 and 58,412.82
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Solution
The fourth proportional to 83,490.18, 125,027.54 and 58,412.82 is: 87,473.89
Step by Step Solution
- Step 1: Write the proportion equation
83,490.18 : 125,027.54 = 58,412.82 : x - Step 2: Convert to fraction form
83,490.18/125,027.54 = 58,412.82/x - Step 3: Cross multiply
83,490.18x = 125,027.54 × 58,412.82 - Step 4: Simplify right side
83,490.18x = 7,303,210,647.19 - Step 5: Solve for x
x = 7,303,210,647.19/83,490.18 - Step 6: Final answer
x = 87,473.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.