Finding the Fourth Proportional to 113,752.79, 156,977.79 and 62,765.99
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Solution
The fourth proportional to 113,752.79, 156,977.79 and 62,765.99 is: 86,616.48
Step by Step Solution
- Step 1: Write the proportion equation
113,752.79 : 156,977.79 = 62,765.99 : x - Step 2: Convert to fraction form
113,752.79/156,977.79 = 62,765.99/x - Step 3: Cross multiply
113,752.79x = 156,977.79 × 62,765.99 - Step 4: Simplify right side
113,752.79x = 9,852,866,397.36 - Step 5: Solve for x
x = 9,852,866,397.36/113,752.79 - Step 6: Final answer
x = 86,616.48
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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.