Finding the Fourth Proportional to 83,962.08, 115,867.92 and 46,239.84
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Solution
The fourth proportional to 83,962.08, 115,867.92 and 46,239.84 is: 63,811.12
Step by Step Solution
- Step 1: Write the proportion equation
83,962.08 : 115,867.92 = 46,239.84 : x - Step 2: Convert to fraction form
83,962.08/115,867.92 = 46,239.84/x - Step 3: Cross multiply
83,962.08x = 115,867.92 × 46,239.84 - Step 4: Simplify right side
83,962.08x = 5,357,714,081.93 - Step 5: Solve for x
x = 5,357,714,081.93/83,962.08 - Step 6: Final answer
x = 63,811.12
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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.