Finding the Fourth Proportional to 97,900.49, 135,100.24 and 54,292.79
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Solution
The fourth proportional to 97,900.49, 135,100.24 and 54,292.79 is: 74,922.70
Step by Step Solution
- Step 1: Write the proportion equation
97,900.49 : 135,100.24 = 54,292.79 : x - Step 2: Convert to fraction form
97,900.49/135,100.24 = 54,292.79/x - Step 3: Cross multiply
97,900.49x = 135,100.24 × 54,292.79 - Step 4: Simplify right side
97,900.49x = 7,334,968,823.54 - Step 5: Solve for x
x = 7,334,968,823.54/97,900.49 - Step 6: Final answer
x = 74,922.70
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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.