Finding the Fourth Proportional to 76,937.96, 115,389.12 and 24,337.64
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Solution
The fourth proportional to 76,937.96, 115,389.12 and 24,337.64 is: 36,500.82
Step by Step Solution
- Step 1: Write the proportion equation
76,937.96 : 115,389.12 = 24,337.64 : x - Step 2: Convert to fraction form
76,937.96/115,389.12 = 24,337.64/x - Step 3: Cross multiply
76,937.96x = 115,389.12 × 24,337.64 - Step 4: Simplify right side
76,937.96x = 2,808,298,862.48 - Step 5: Solve for x
x = 2,808,298,862.48/76,937.96 - Step 6: Final answer
x = 36,500.82
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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.