Finding the Fourth Proportional to 83,574.56, 125,347.28 and 38,592.09
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Solution
The fourth proportional to 83,574.56, 125,347.28 and 38,592.09 is: 57,881.41
Step by Step Solution
- Step 1: Write the proportion equation
83,574.56 : 125,347.28 = 38,592.09 : x - Step 2: Convert to fraction form
83,574.56/125,347.28 = 38,592.09/x - Step 3: Cross multiply
83,574.56x = 125,347.28 × 38,592.09 - Step 4: Simplify right side
83,574.56x = 4,837,413,318.05 - Step 5: Solve for x
x = 4,837,413,318.05/83,574.56 - Step 6: Final answer
x = 57,881.41
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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.