Finding the Fourth Proportional to 75,823.24, 104,632.21 and 45,602.75
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Solution
The fourth proportional to 75,823.24, 104,632.21 and 45,602.75 is: 62,929.47
Step by Step Solution
- Step 1: Write the proportion equation
75,823.24 : 104,632.21 = 45,602.75 : x - Step 2: Convert to fraction form
75,823.24/104,632.21 = 45,602.75/x - Step 3: Cross multiply
75,823.24x = 104,632.21 × 45,602.75 - Step 4: Simplify right side
75,823.24x = 4,771,515,988.09 - Step 5: Solve for x
x = 4,771,515,988.09/75,823.24 - Step 6: Final answer
x = 62,929.47
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1.5x scale
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.