Finding the Fourth Proportional to 85,941.24, 128,962.88 and 46,497.48
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Solution
The fourth proportional to 85,941.24, 128,962.88 and 46,497.48 is: 69,773.82
Step by Step Solution
- Step 1: Write the proportion equation
85,941.24 : 128,962.88 = 46,497.48 : x - Step 2: Convert to fraction form
85,941.24/128,962.88 = 46,497.48/x - Step 3: Cross multiply
85,941.24x = 128,962.88 × 46,497.48 - Step 4: Simplify right side
85,941.24x = 5,996,448,933.54 - Step 5: Solve for x
x = 5,996,448,933.54/85,941.24 - Step 6: Final answer
x = 69,773.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.