Finding the Fourth Proportional to 85,762.63, 118,352.43 and 52,228.63
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Solution
The fourth proportional to 85,762.63, 118,352.43 and 52,228.63 is: 72,075.50
Step by Step Solution
- Step 1: Write the proportion equation
85,762.63 : 118,352.43 = 52,228.63 : x - Step 2: Convert to fraction form
85,762.63/118,352.43 = 52,228.63/x - Step 3: Cross multiply
85,762.63x = 118,352.43 × 52,228.63 - Step 4: Simplify right side
85,762.63x = 6,181,384,423.17 - Step 5: Solve for x
x = 6,181,384,423.17/85,762.63 - Step 6: Final answer
x = 72,075.50
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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.