Finding the Fourth Proportional to 93,875.58, 129,548.94 and 51,435.62
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Solution
The fourth proportional to 93,875.58, 129,548.94 and 51,435.62 is: 70,981.51
Step by Step Solution
- Step 1: Write the proportion equation
93,875.58 : 129,548.94 = 51,435.62 : x - Step 2: Convert to fraction form
93,875.58/129,548.94 = 51,435.62/x - Step 3: Cross multiply
93,875.58x = 129,548.94 × 51,435.62 - Step 4: Simplify right side
93,875.58x = 6,663,430,049.24 - Step 5: Solve for x
x = 6,663,430,049.24/93,875.58 - Step 6: Final answer
x = 70,981.51
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1.5x scale
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.