Finding the Fourth Proportional to 83,739.24, 115,562.16 and 46,014.48
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Solution
The fourth proportional to 83,739.24, 115,562.16 and 46,014.48 is: 63,501.09
Step by Step Solution
- Step 1: Write the proportion equation
83,739.24 : 115,562.16 = 46,014.48 : x - Step 2: Convert to fraction form
83,739.24/115,562.16 = 46,014.48/x - Step 3: Cross multiply
83,739.24x = 115,562.16 × 46,014.48 - Step 4: Simplify right side
83,739.24x = 5,317,532,700.08 - Step 5: Solve for x
x = 5,317,532,700.08/83,739.24 - Step 6: Final answer
x = 63,501.09
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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.