Finding the Fourth Proportional to 86,873.99, 119,904.80 and 52,893.68
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Solution
The fourth proportional to 86,873.99, 119,904.80 and 52,893.68 is: 73,004.65
Step by Step Solution
- Step 1: Write the proportion equation
86,873.99 : 119,904.80 = 52,893.68 : x - Step 2: Convert to fraction form
86,873.99/119,904.80 = 52,893.68/x - Step 3: Cross multiply
86,873.99x = 119,904.80 × 52,893.68 - Step 4: Simplify right side
86,873.99x = 6,342,205,257.67 - Step 5: Solve for x
x = 6,342,205,257.67/86,873.99 - Step 6: Final answer
x = 73,004.65
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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.