Finding the Fourth Proportional to 97,848.12, 135,030.90 and 54,827.68
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Solution
The fourth proportional to 97,848.12, 135,030.90 and 54,827.68 is: 75,662.48
Step by Step Solution
- Step 1: Write the proportion equation
97,848.12 : 135,030.90 = 54,827.68 : x - Step 2: Convert to fraction form
97,848.12/135,030.90 = 54,827.68/x - Step 3: Cross multiply
97,848.12x = 135,030.90 × 54,827.68 - Step 4: Simplify right side
97,848.12x = 7,403,430,975.31 - Step 5: Solve for x
x = 7,403,430,975.31/97,848.12 - Step 6: Final answer
x = 75,662.48
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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.