Finding the Fourth Proportional to 127,312.04, 175,617.50 and 79,482.35
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Solution
The fourth proportional to 127,312.04, 175,617.50 and 79,482.35 is: 109,639.99
Step by Step Solution
- Step 1: Write the proportion equation
127,312.04 : 175,617.50 = 79,482.35 : x - Step 2: Convert to fraction form
127,312.04/175,617.50 = 79,482.35/x - Step 3: Cross multiply
127,312.04x = 175,617.50 × 79,482.35 - Step 4: Simplify right side
127,312.04x = 13,958,490,325.63 - Step 5: Solve for x
x = 13,958,490,325.63/127,312.04 - Step 6: Final answer
x = 109,639.99
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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.