Finding the Fourth Proportional to 106,569.06, 147,047.58 and 61,244.70
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Solution
The fourth proportional to 106,569.06, 147,047.58 and 61,244.70 is: 84,507.50
Step by Step Solution
- Step 1: Write the proportion equation
106,569.06 : 147,047.58 = 61,244.70 : x - Step 2: Convert to fraction form
106,569.06/147,047.58 = 61,244.70/x - Step 3: Cross multiply
106,569.06x = 147,047.58 × 61,244.70 - Step 4: Simplify right side
106,569.06x = 9,005,884,922.83 - Step 5: Solve for x
x = 9,005,884,922.83/106,569.06 - Step 6: Final answer
x = 84,507.50
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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.