Finding the Fourth Proportional to 97,359.84, 134,358.33 and 57,102.66
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Solution
The fourth proportional to 97,359.84, 134,358.33 and 57,102.66 is: 78,802.70
Step by Step Solution
- Step 1: Write the proportion equation
97,359.84 : 134,358.33 = 57,102.66 : x - Step 2: Convert to fraction form
97,359.84/134,358.33 = 57,102.66/x - Step 3: Cross multiply
97,359.84x = 134,358.33 × 57,102.66 - Step 4: Simplify right side
97,359.84x = 7,672,218,036.16 - Step 5: Solve for x
x = 7,672,218,036.16/97,359.84 - Step 6: Final answer
x = 78,802.70
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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.