Finding the Fourth Proportional to 76,822.61, 115,237.58 and 37,332.68
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Solution
The fourth proportional to 76,822.61, 115,237.58 and 37,332.68 is: 56,000.79
Step by Step Solution
- Step 1: Write the proportion equation
76,822.61 : 115,237.58 = 37,332.68 : x - Step 2: Convert to fraction form
76,822.61/115,237.58 = 37,332.68/x - Step 3: Cross multiply
76,822.61x = 115,237.58 × 37,332.68 - Step 4: Simplify right side
76,822.61x = 4,302,126,935.26 - Step 5: Solve for x
x = 4,302,126,935.26/76,822.61 - Step 6: Final answer
x = 56,000.79
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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.