Finding the Fourth Proportional to 86,202.08, 119,027.76 and 56,002.40
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Solution
The fourth proportional to 86,202.08, 119,027.76 and 56,002.40 is: 77,328.07
Step by Step Solution
- Step 1: Write the proportion equation
86,202.08 : 119,027.76 = 56,002.40 : x - Step 2: Convert to fraction form
86,202.08/119,027.76 = 56,002.40/x - Step 3: Cross multiply
86,202.08x = 119,027.76 × 56,002.40 - Step 4: Simplify right side
86,202.08x = 6,665,840,226.62 - Step 5: Solve for x
x = 6,665,840,226.62/86,202.08 - Step 6: Final answer
x = 77,328.07
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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.