Finding the Fourth Proportional to 97,877.42, 135,067.23 and 53,164.46
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Solution
The fourth proportional to 97,877.42, 135,067.23 and 53,164.46 is: 73,364.99
Step by Step Solution
- Step 1: Write the proportion equation
97,877.42 : 135,067.23 = 53,164.46 : x - Step 2: Convert to fraction form
97,877.42/135,067.23 = 53,164.46/x - Step 3: Cross multiply
97,877.42x = 135,067.23 × 53,164.46 - Step 4: Simplify right side
97,877.42x = 7,180,776,346.65 - Step 5: Solve for x
x = 7,180,776,346.65/97,877.42 - Step 6: Final answer
x = 73,364.99
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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.