Finding the Fourth Proportional to 99,823.08, 149,495.90 and 57,575.08
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Solution
The fourth proportional to 99,823.08, 149,495.90 and 57,575.08 is: 86,224.94
Step by Step Solution
- Step 1: Write the proportion equation
99,823.08 : 149,495.90 = 57,575.08 : x - Step 2: Convert to fraction form
99,823.08/149,495.90 = 57,575.08/x - Step 3: Cross multiply
99,823.08x = 149,495.90 × 57,575.08 - Step 4: Simplify right side
99,823.08x = 8,607,238,366.50 - Step 5: Solve for x
x = 8,607,238,366.50/99,823.08 - Step 6: Final answer
x = 86,224.94
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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.