Finding the Fourth Proportional to 83,359.41, 115,035.99 and 45,633.66
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Solution
The fourth proportional to 83,359.41, 115,035.99 and 45,633.66 is: 62,974.45
Step by Step Solution
- Step 1: Write the proportion equation
83,359.41 : 115,035.99 = 45,633.66 : x - Step 2: Convert to fraction form
83,359.41/115,035.99 = 45,633.66/x - Step 3: Cross multiply
83,359.41x = 115,035.99 × 45,633.66 - Step 4: Simplify right side
83,359.41x = 5,249,512,652.91 - Step 5: Solve for x
x = 5,249,512,652.91/83,359.41 - Step 6: Final answer
x = 62,974.45
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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.