Finding the Fourth Proportional to 93,659.44, 129,352.80 and 63,585.76
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Solution
The fourth proportional to 93,659.44, 129,352.80 and 63,585.76 is: 87,818.12
Step by Step Solution
- Step 1: Write the proportion equation
93,659.44 : 129,352.80 = 63,585.76 : x - Step 2: Convert to fraction form
93,659.44/129,352.80 = 63,585.76/x - Step 3: Cross multiply
93,659.44x = 129,352.80 × 63,585.76 - Step 4: Simplify right side
93,659.44x = 8,224,996,096.13 - Step 5: Solve for x
x = 8,224,996,096.13/93,659.44 - Step 6: Final answer
x = 87,818.12
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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.