Finding the Fourth Proportional to 83,530.74, 115,277.67 and 45,804.99
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Solution
The fourth proportional to 83,530.74, 115,277.67 and 45,804.99 is: 63,213.76
Step by Step Solution
- Step 1: Write the proportion equation
83,530.74 : 115,277.67 = 45,804.99 : x - Step 2: Convert to fraction form
83,530.74/115,277.67 = 45,804.99/x - Step 3: Cross multiply
83,530.74x = 115,277.67 × 45,804.99 - Step 4: Simplify right side
83,530.74x = 5,280,292,521.57 - Step 5: Solve for x
x = 5,280,292,521.57/83,530.74 - Step 6: Final answer
x = 63,213.76
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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.