Finding the Fourth Proportional to 79,798.07, 110,119.13 and 43,988.07
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Solution
The fourth proportional to 79,798.07, 110,119.13 and 43,988.07 is: 60,702.32
Step by Step Solution
- Step 1: Write the proportion equation
79,798.07 : 110,119.13 = 43,988.07 : x - Step 2: Convert to fraction form
79,798.07/110,119.13 = 43,988.07/x - Step 3: Cross multiply
79,798.07x = 110,119.13 × 43,988.07 - Step 4: Simplify right side
79,798.07x = 4,843,928,356.74 - Step 5: Solve for x
x = 4,843,928,356.74/79,798.07 - Step 6: Final answer
x = 60,702.32
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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.