Finding the Fourth Proportional to 97,334.02, 134,321.16 and 57,039.76
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Solution
The fourth proportional to 97,334.02, 134,321.16 and 57,039.76 is: 78,714.99
Step by Step Solution
- Step 1: Write the proportion equation
97,334.02 : 134,321.16 = 57,039.76 : x - Step 2: Convert to fraction form
97,334.02/134,321.16 = 57,039.76/x - Step 3: Cross multiply
97,334.02x = 134,321.16 × 57,039.76 - Step 4: Simplify right side
97,334.02x = 7,661,646,729.32 - Step 5: Solve for x
x = 7,661,646,729.32/97,334.02 - Step 6: Final answer
x = 78,714.99
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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.