Finding the Fourth Proportional to 83,952.84, 125,929.11 and 57,577.62
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Solution
The fourth proportional to 83,952.84, 125,929.11 and 57,577.62 is: 86,366.33
Step by Step Solution
- Step 1: Write the proportion equation
83,952.84 : 125,929.11 = 57,577.62 : x - Step 2: Convert to fraction form
83,952.84/125,929.11 = 57,577.62/x - Step 3: Cross multiply
83,952.84x = 125,929.11 × 57,577.62 - Step 4: Simplify right side
83,952.84x = 7,250,698,442.52 - Step 5: Solve for x
x = 7,250,698,442.52/83,952.84 - Step 6: Final answer
x = 86,366.33
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1.5x scale
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.