Finding the Fourth Proportional to 84,038.24, 115,971.26 and 45,798.12
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Solution
The fourth proportional to 84,038.24, 115,971.26 and 45,798.12 is: 63,200.58
Step by Step Solution
- Step 1: Write the proportion equation
84,038.24 : 115,971.26 = 45,798.12 : x - Step 2: Convert to fraction form
84,038.24/115,971.26 = 45,798.12/x - Step 3: Cross multiply
84,038.24x = 115,971.26 × 45,798.12 - Step 4: Simplify right side
84,038.24x = 5,311,265,682.03 - Step 5: Solve for x
x = 5,311,265,682.03/84,038.24 - Step 6: Final answer
x = 63,200.58
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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.