Finding the Fourth Proportional to 88,130.95, 121,620.91 and 47,844.81
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Solution
The fourth proportional to 88,130.95, 121,620.91 and 47,844.81 is: 66,025.95
Step by Step Solution
- Step 1: Write the proportion equation
88,130.95 : 121,620.91 = 47,844.81 : x - Step 2: Convert to fraction form
88,130.95/121,620.91 = 47,844.81/x - Step 3: Cross multiply
88,130.95x = 121,620.91 × 47,844.81 - Step 4: Simplify right side
88,130.95x = 5,818,929,330.98 - Step 5: Solve for x
x = 5,818,929,330.98/88,130.95 - Step 6: Final answer
x = 66,025.95
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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.