Finding the Fourth Proportional to 106,386.05, 146,810.93 and 58,643.84
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Solution
The fourth proportional to 106,386.05, 146,810.93 and 58,643.84 is: 80,927.49
Step by Step Solution
- Step 1: Write the proportion equation
106,386.05 : 146,810.93 = 58,643.84 : x - Step 2: Convert to fraction form
106,386.05/146,810.93 = 58,643.84/x - Step 3: Cross multiply
106,386.05x = 146,810.93 × 58,643.84 - Step 4: Simplify right side
106,386.05x = 8,609,555,661.90 - Step 5: Solve for x
x = 8,609,555,661.90/106,386.05 - Step 6: Final answer
x = 80,927.49
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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.