Finding the Fourth Proportional to 83,312.55, 114,974.37 and 47,502.18
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Solution
The fourth proportional to 83,312.55, 114,974.37 and 47,502.18 is: 65,554.75
Step by Step Solution
- Step 1: Write the proportion equation
83,312.55 : 114,974.37 = 47,502.18 : x - Step 2: Convert to fraction form
83,312.55/114,974.37 = 47,502.18/x - Step 3: Cross multiply
83,312.55x = 114,974.37 × 47,502.18 - Step 4: Simplify right side
83,312.55x = 5,461,533,219.13 - Step 5: Solve for x
x = 5,461,533,219.13/83,312.55 - Step 6: Final answer
x = 65,554.75
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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.