Finding the Fourth Proportional to 97,130.07, 145,656.77 and 47,195.37
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Solution
The fourth proportional to 97,130.07, 145,656.77 and 47,195.37 is: 70,774.43
Step by Step Solution
- Step 1: Write the proportion equation
97,130.07 : 145,656.77 = 47,195.37 : x - Step 2: Convert to fraction form
97,130.07/145,656.77 = 47,195.37/x - Step 3: Cross multiply
97,130.07x = 145,656.77 × 47,195.37 - Step 4: Simplify right side
97,130.07x = 6,874,324,917.18 - Step 5: Solve for x
x = 6,874,324,917.18/97,130.07 - Step 6: Final answer
x = 70,774.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.