Finding the Fourth Proportional to 88,027.08, 121,477.02 and 47,740.68
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Solution
The fourth proportional to 88,027.08, 121,477.02 and 47,740.68 is: 65,881.95
Step by Step Solution
- Step 1: Write the proportion equation
88,027.08 : 121,477.02 = 47,740.68 : x - Step 2: Convert to fraction form
88,027.08/121,477.02 = 47,740.68/x - Step 3: Cross multiply
88,027.08x = 121,477.02 × 47,740.68 - Step 4: Simplify right side
88,027.08x = 5,799,395,539.17 - Step 5: Solve for x
x = 5,799,395,539.17/88,027.08 - Step 6: Final answer
x = 65,881.95
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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.