Finding the Fourth Proportional to 97,669.24, 134,759.24 and 56,840.06
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Solution
The fourth proportional to 97,669.24, 134,759.24 and 56,840.06 is: 78,425.14
Step by Step Solution
- Step 1: Write the proportion equation
97,669.24 : 134,759.24 = 56,840.06 : x - Step 2: Convert to fraction form
97,669.24/134,759.24 = 56,840.06/x - Step 3: Cross multiply
97,669.24x = 134,759.24 × 56,840.06 - Step 4: Simplify right side
97,669.24x = 7,659,723,287.15 - Step 5: Solve for x
x = 7,659,723,287.15/97,669.24 - Step 6: Final answer
x = 78,425.14
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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.