Finding the Fourth Proportional to 92,909.22, 128,214.99 and 50,466.84
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Solution
The fourth proportional to 92,909.22, 128,214.99 and 50,466.84 is: 69,644.38
Step by Step Solution
- Step 1: Write the proportion equation
92,909.22 : 128,214.99 = 50,466.84 : x - Step 2: Convert to fraction form
92,909.22/128,214.99 = 50,466.84/x - Step 3: Cross multiply
92,909.22x = 128,214.99 × 50,466.84 - Step 4: Simplify right side
92,909.22x = 6,470,605,385.93 - Step 5: Solve for x
x = 6,470,605,385.93/92,909.22 - Step 6: Final answer
x = 69,644.38
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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.