Finding the Fourth Proportional to 92,974.93, 139,406.95 and 36,823.09
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Solution
The fourth proportional to 92,974.93, 139,406.95 and 36,823.09 is: 55,212.68
Step by Step Solution
- Step 1: Write the proportion equation
92,974.93 : 139,406.95 = 36,823.09 : x - Step 2: Convert to fraction form
92,974.93/139,406.95 = 36,823.09/x - Step 3: Cross multiply
92,974.93x = 139,406.95 × 36,823.09 - Step 4: Simplify right side
92,974.93x = 5,133,394,666.48 - Step 5: Solve for x
x = 5,133,394,666.48/92,974.93 - Step 6: Final answer
x = 55,212.68
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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.