Finding the Fourth Proportional to 88,654.34, 122,347.68 and 50,931.02
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Solution
The fourth proportional to 88,654.34, 122,347.68 and 50,931.02 is: 70,287.50
Step by Step Solution
- Step 1: Write the proportion equation
88,654.34 : 122,347.68 = 50,931.02 : x - Step 2: Convert to fraction form
88,654.34/122,347.68 = 50,931.02/x - Step 3: Cross multiply
88,654.34x = 122,347.68 × 50,931.02 - Step 4: Simplify right side
88,654.34x = 6,231,292,137.03 - Step 5: Solve for x
x = 6,231,292,137.03/88,654.34 - Step 6: Final answer
x = 70,287.50
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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.