Finding the Fourth Proportional to 85,937.96, 118,595.66 and 47,699.99
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Solution
The fourth proportional to 85,937.96, 118,595.66 and 47,699.99 is: 65,826.69
Step by Step Solution
- Step 1: Write the proportion equation
85,937.96 : 118,595.66 = 47,699.99 : x - Step 2: Convert to fraction form
85,937.96/118,595.66 = 47,699.99/x - Step 3: Cross multiply
85,937.96x = 118,595.66 × 47,699.99 - Step 4: Simplify right side
85,937.96x = 5,657,011,796.04 - Step 5: Solve for x
x = 5,657,011,796.04/85,937.96 - Step 6: Final answer
x = 65,826.69
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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.