Finding the Fourth Proportional to 104,369.74, 144,030.29 and 56,623.08
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Solution
The fourth proportional to 104,369.74, 144,030.29 and 56,623.08 is: 78,139.88
Step by Step Solution
- Step 1: Write the proportion equation
104,369.74 : 144,030.29 = 56,623.08 : x - Step 2: Convert to fraction form
104,369.74/144,030.29 = 56,623.08/x - Step 3: Cross multiply
104,369.74x = 144,030.29 × 56,623.08 - Step 4: Simplify right side
104,369.74x = 8,155,438,633.09 - Step 5: Solve for x
x = 8,155,438,633.09/104,369.74 - Step 6: Final answer
x = 78,139.88
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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.