Finding the Fourth Proportional to 77,203.53, 105,567.99 and 77,203.53
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Solution
The fourth proportional to 77,203.53, 105,567.99 and 77,203.53 is: 105,567.99
Step by Step Solution
- Step 1: Write the proportion equation
77,203.53 : 105,567.99 = 77,203.53 : x - Step 2: Convert to fraction form
77,203.53/105,567.99 = 77,203.53/x - Step 3: Cross multiply
77,203.53x = 105,567.99 × 77,203.53 - Step 4: Simplify right side
77,203.53x = 8,150,221,483.00 - Step 5: Solve for x
x = 8,150,221,483.00/77,203.53 - Step 6: Final answer
x = 105,567.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.