Finding the Fourth Proportional to 88,065.95, 121,529.91 and 47,779.41
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Solution
The fourth proportional to 88,065.95, 121,529.91 and 47,779.41 is: 65,934.99
Step by Step Solution
- Step 1: Write the proportion equation
88,065.95 : 121,529.91 = 47,779.41 : x - Step 2: Convert to fraction form
88,065.95/121,529.91 = 47,779.41/x - Step 3: Cross multiply
88,065.95x = 121,529.91 × 47,779.41 - Step 4: Simplify right side
88,065.95x = 5,806,627,397.15 - Step 5: Solve for x
x = 5,806,627,397.15/88,065.95 - Step 6: Final answer
x = 65,934.99
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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.