Finding the Fourth Proportional to 104,065.08, 143,610.06 and 56,318.94
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Solution
The fourth proportional to 104,065.08, 143,610.06 and 56,318.94 is: 77,720.27
Step by Step Solution
- Step 1: Write the proportion equation
104,065.08 : 143,610.06 = 56,318.94 : x - Step 2: Convert to fraction form
104,065.08/143,610.06 = 56,318.94/x - Step 3: Cross multiply
104,065.08x = 143,610.06 × 56,318.94 - Step 4: Simplify right side
104,065.08x = 8,087,966,352.54 - Step 5: Solve for x
x = 8,087,966,352.54/104,065.08 - Step 6: Final answer
x = 77,720.27
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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.