Finding the Fourth Proportional to 97,853.04, 135,048.24 and 55,414.08
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Solution
The fourth proportional to 97,853.04, 135,048.24 and 55,414.08 is: 76,477.69
Step by Step Solution
- Step 1: Write the proportion equation
97,853.04 : 135,048.24 = 55,414.08 : x - Step 2: Convert to fraction form
97,853.04/135,048.24 = 55,414.08/x - Step 3: Cross multiply
97,853.04x = 135,048.24 × 55,414.08 - Step 4: Simplify right side
97,853.04x = 7,483,573,975.22 - Step 5: Solve for x
x = 7,483,573,975.22/97,853.04 - Step 6: Final answer
x = 76,477.69
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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.