Finding the Fourth Proportional to 97,143.60, 134,067.96 and 58,923.12
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Solution
The fourth proportional to 97,143.60, 134,067.96 and 58,923.12 is: 81,319.85
Step by Step Solution
- Step 1: Write the proportion equation
97,143.60 : 134,067.96 = 58,923.12 : x - Step 2: Convert to fraction form
97,143.60/134,067.96 = 58,923.12/x - Step 3: Cross multiply
97,143.60x = 134,067.96 × 58,923.12 - Step 4: Simplify right side
97,143.60x = 7,899,702,495.24 - Step 5: Solve for x
x = 7,899,702,495.24/97,143.60 - Step 6: Final answer
x = 81,319.85
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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.