Finding the Fourth Proportional to 97,341.61, 134,360.14 and 57,064.09
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Solution
The fourth proportional to 97,341.61, 134,360.14 and 57,064.09 is: 78,765.28
Step by Step Solution
- Step 1: Write the proportion equation
97,341.61 : 134,360.14 = 57,064.09 : x - Step 2: Convert to fraction form
97,341.61/134,360.14 = 57,064.09/x - Step 3: Cross multiply
97,341.61x = 134,360.14 × 57,064.09 - Step 4: Simplify right side
97,341.61x = 7,667,138,449.57 - Step 5: Solve for x
x = 7,667,138,449.57/97,341.61 - Step 6: Final answer
x = 78,765.28
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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.