Finding the Fourth Proportional to 97,438.48, 134,464.08 and 54,998.80
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Solution
The fourth proportional to 97,438.48, 134,464.08 and 54,998.80 is: 75,897.77
Step by Step Solution
- Step 1: Write the proportion equation
97,438.48 : 134,464.08 = 54,998.80 : x - Step 2: Convert to fraction form
97,438.48/134,464.08 = 54,998.80/x - Step 3: Cross multiply
97,438.48x = 134,464.08 × 54,998.80 - Step 4: Simplify right side
97,438.48x = 7,395,362,913.19 - Step 5: Solve for x
x = 7,395,362,913.19/97,438.48 - Step 6: Final answer
x = 75,897.77
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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.