Finding the Fourth Proportional to 86,711.08, 119,661.14 and 46,967.08
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Solution
The fourth proportional to 86,711.08, 119,661.14 and 46,967.08 is: 64,814.49
Step by Step Solution
- Step 1: Write the proportion equation
86,711.08 : 119,661.14 = 46,967.08 : x - Step 2: Convert to fraction form
86,711.08/119,661.14 = 46,967.08/x - Step 3: Cross multiply
86,711.08x = 119,661.14 × 46,967.08 - Step 4: Simplify right side
86,711.08x = 5,620,134,335.27 - Step 5: Solve for x
x = 5,620,134,335.27/86,711.08 - Step 6: Final answer
x = 64,814.49
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1.5x scale
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.