Finding the Fourth Proportional to 97,867.36, 135,060.16 and 55,424.96
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Solution
The fourth proportional to 97,867.36, 135,060.16 and 55,424.96 is: 76,488.26
Step by Step Solution
- Step 1: Write the proportion equation
97,867.36 : 135,060.16 = 55,424.96 : x - Step 2: Convert to fraction form
97,867.36/135,060.16 = 55,424.96/x - Step 3: Cross multiply
97,867.36x = 135,060.16 × 55,424.96 - Step 4: Simplify right side
97,867.36x = 7,485,703,965.59 - Step 5: Solve for x
x = 7,485,703,965.59/97,867.36 - Step 6: Final answer
x = 76,488.26
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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.