Finding the Fourth Proportional to 93,655.12, 140,482.84 and 38,251.12
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Solution
The fourth proportional to 93,655.12, 140,482.84 and 38,251.12 is: 57,376.75
Step by Step Solution
- Step 1: Write the proportion equation
93,655.12 : 140,482.84 = 38,251.12 : x - Step 2: Convert to fraction form
93,655.12/140,482.84 = 38,251.12/x - Step 3: Cross multiply
93,655.12x = 140,482.84 × 38,251.12 - Step 4: Simplify right side
93,655.12x = 5,373,625,970.78 - Step 5: Solve for x
x = 5,373,625,970.78/93,655.12 - Step 6: Final answer
x = 57,376.75
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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.