Finding the Fourth Proportional to 83,995.84, 115,914.06 and 46,270.12
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Solution
The fourth proportional to 83,995.84, 115,914.06 and 46,270.12 is: 63,852.66
Step by Step Solution
- Step 1: Write the proportion equation
83,995.84 : 115,914.06 = 46,270.12 : x - Step 2: Convert to fraction form
83,995.84/115,914.06 = 46,270.12/x - Step 3: Cross multiply
83,995.84x = 115,914.06 × 46,270.12 - Step 4: Simplify right side
83,995.84x = 5,363,357,465.89 - Step 5: Solve for x
x = 5,363,357,465.89/83,995.84 - Step 6: Final answer
x = 63,852.66
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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.