Finding the Fourth Proportional to 92,907.19, 128,208.99 and 52,624.68
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Solution
The fourth proportional to 92,907.19, 128,208.99 and 52,624.68 is: 72,620.40
Step by Step Solution
- Step 1: Write the proportion equation
92,907.19 : 128,208.99 = 52,624.68 : x - Step 2: Convert to fraction form
92,907.19/128,208.99 = 52,624.68/x - Step 3: Cross multiply
92,907.19x = 128,208.99 × 52,624.68 - Step 4: Simplify right side
92,907.19x = 6,746,957,071.87 - Step 5: Solve for x
x = 6,746,957,071.87/92,907.19 - Step 6: Final answer
x = 72,620.40
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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.