Finding the Fourth Proportional to 76,115.07, 114,024.87 and 56,088.21
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Solution
The fourth proportional to 76,115.07, 114,024.87 and 56,088.21 is: 84,023.45
Step by Step Solution
- Step 1: Write the proportion equation
76,115.07 : 114,024.87 = 56,088.21 : x - Step 2: Convert to fraction form
76,115.07/114,024.87 = 56,088.21/x - Step 3: Cross multiply
76,115.07x = 114,024.87 × 56,088.21 - Step 4: Simplify right side
76,115.07x = 6,395,450,853.78 - Step 5: Solve for x
x = 6,395,450,853.78/76,115.07 - Step 6: Final answer
x = 84,023.45
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1.5x scale
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.