Finding the Fourth Proportional to 97,973.14, 135,201.18 and 54,952.72
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Solution
The fourth proportional to 97,973.14, 135,201.18 and 54,952.72 is: 75,833.77
Step by Step Solution
- Step 1: Write the proportion equation
97,973.14 : 135,201.18 = 54,952.72 : x - Step 2: Convert to fraction form
97,973.14/135,201.18 = 54,952.72/x - Step 3: Cross multiply
97,973.14x = 135,201.18 × 54,952.72 - Step 4: Simplify right side
97,973.14x = 7,429,672,588.21 - Step 5: Solve for x
x = 7,429,672,588.21/97,973.14 - Step 6: Final answer
x = 75,833.77
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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.