Finding the Fourth Proportional to 79,907.58, 110,276.06 and 45,927.09
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Solution
The fourth proportional to 79,907.58, 110,276.06 and 45,927.09 is: 63,381.45
Step by Step Solution
- Step 1: Write the proportion equation
79,907.58 : 110,276.06 = 45,927.09 : x - Step 2: Convert to fraction form
79,907.58/110,276.06 = 45,927.09/x - Step 3: Cross multiply
79,907.58x = 110,276.06 × 45,927.09 - Step 4: Simplify right side
79,907.58x = 5,064,658,302.83 - Step 5: Solve for x
x = 5,064,658,302.83/79,907.58 - Step 6: Final answer
x = 63,381.45
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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.