Finding the Fourth Proportional to 86,032.74, 118,726.68 and 47,795.74
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Solution
The fourth proportional to 86,032.74, 118,726.68 and 47,795.74 is: 65,958.95
Step by Step Solution
- Step 1: Write the proportion equation
86,032.74 : 118,726.68 = 47,795.74 : x - Step 2: Convert to fraction form
86,032.74/118,726.68 = 47,795.74/x - Step 3: Cross multiply
86,032.74x = 118,726.68 × 47,795.74 - Step 4: Simplify right side
86,032.74x = 5,674,629,528.34 - Step 5: Solve for x
x = 5,674,629,528.34/86,032.74 - Step 6: Final answer
x = 65,958.95
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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.