Finding the Fourth Proportional to 83,767.97, 115,600.95 and 45,528.28
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Solution
The fourth proportional to 83,767.97, 115,600.95 and 45,528.28 is: 62,829.65
Step by Step Solution
- Step 1: Write the proportion equation
83,767.97 : 115,600.95 = 45,528.28 : x - Step 2: Convert to fraction form
83,767.97/115,600.95 = 45,528.28/x - Step 3: Cross multiply
83,767.97x = 115,600.95 × 45,528.28 - Step 4: Simplify right side
83,767.97x = 5,263,112,130.86 - Step 5: Solve for x
x = 5,263,112,130.86/83,767.97 - Step 6: Final answer
x = 62,829.65
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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.