Finding the Fourth Proportional to 101,652.24, 140,277.96 and 56,329.80
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Solution
The fourth proportional to 101,652.24, 140,277.96 and 56,329.80 is: 77,733.94
Step by Step Solution
- Step 1: Write the proportion equation
101,652.24 : 140,277.96 = 56,329.80 : x - Step 2: Convert to fraction form
101,652.24/140,277.96 = 56,329.80/x - Step 3: Cross multiply
101,652.24x = 140,277.96 × 56,329.80 - Step 4: Simplify right side
101,652.24x = 7,901,829,431.21 - Step 5: Solve for x
x = 7,901,829,431.21/101,652.24 - Step 6: Final answer
x = 77,733.94
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1.5x scale
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.