Finding the Fourth Proportional to 97,928.13, 135,141.68 and 53,216.13
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Solution
The fourth proportional to 97,928.13, 135,141.68 and 53,216.13 is: 73,438.73
Step by Step Solution
- Step 1: Write the proportion equation
97,928.13 : 135,141.68 = 53,216.13 : x - Step 2: Convert to fraction form
97,928.13/135,141.68 = 53,216.13/x - Step 3: Cross multiply
97,928.13x = 135,141.68 × 53,216.13 - Step 4: Simplify right side
97,928.13x = 7,191,717,211.30 - Step 5: Solve for x
x = 7,191,717,211.30/97,928.13 - Step 6: Final answer
x = 73,438.73
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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.