Finding the Fourth Proportional to 97,886.25, 135,092.43 and 54,873.09
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Solution
The fourth proportional to 97,886.25, 135,092.43 and 54,873.09 is: 75,730.14
Step by Step Solution
- Step 1: Write the proportion equation
97,886.25 : 135,092.43 = 54,873.09 : x - Step 2: Convert to fraction form
97,886.25/135,092.43 = 54,873.09/x - Step 3: Cross multiply
97,886.25x = 135,092.43 × 54,873.09 - Step 4: Simplify right side
97,886.25x = 7,412,939,069.71 - Step 5: Solve for x
x = 7,412,939,069.71/97,886.25 - Step 6: Final answer
x = 75,730.14
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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.