Finding the Fourth Proportional to 93,749.19, 129,375.80 and 51,308.02
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Solution
The fourth proportional to 93,749.19, 129,375.80 and 51,308.02 is: 70,806.12
Step by Step Solution
- Step 1: Write the proportion equation
93,749.19 : 129,375.80 = 51,308.02 : x - Step 2: Convert to fraction form
93,749.19/129,375.80 = 51,308.02/x - Step 3: Cross multiply
93,749.19x = 129,375.80 × 51,308.02 - Step 4: Simplify right side
93,749.19x = 6,638,016,133.92 - Step 5: Solve for x
x = 6,638,016,133.92/93,749.19 - Step 6: Final answer
x = 70,806.12
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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.