Finding the Fourth Proportional to 92,774.44, 128,028.19 and 50,332.06
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Solution
The fourth proportional to 92,774.44, 128,028.19 and 50,332.06 is: 69,457.95
Step by Step Solution
- Step 1: Write the proportion equation
92,774.44 : 128,028.19 = 50,332.06 : x - Step 2: Convert to fraction form
92,774.44/128,028.19 = 50,332.06/x - Step 3: Cross multiply
92,774.44x = 128,028.19 × 50,332.06 - Step 4: Simplify right side
92,774.44x = 6,443,921,807.63 - Step 5: Solve for x
x = 6,443,921,807.63/92,774.44 - Step 6: Final answer
x = 69,457.95
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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.