Finding the Fourth Proportional to 113,811.16, 157,059.42 and 62,823.92
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Solution
The fourth proportional to 113,811.16, 157,059.42 and 62,823.92 is: 86,697.02
Step by Step Solution
- Step 1: Write the proportion equation
113,811.16 : 157,059.42 = 62,823.92 : x - Step 2: Convert to fraction form
113,811.16/157,059.42 = 62,823.92/x - Step 3: Cross multiply
113,811.16x = 157,059.42 × 62,823.92 - Step 4: Simplify right side
113,811.16x = 9,867,087,652.03 - Step 5: Solve for x
x = 9,867,087,652.03/113,811.16 - Step 6: Final answer
x = 86,697.02
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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.