Finding the Fourth Proportional to 87,925.98, 121,342.95 and 49,684.53
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Solution
The fourth proportional to 87,925.98, 121,342.95 and 49,684.53 is: 68,567.53
Step by Step Solution
- Step 1: Write the proportion equation
87,925.98 : 121,342.95 = 49,684.53 : x - Step 2: Convert to fraction form
87,925.98/121,342.95 = 49,684.53/x - Step 3: Cross multiply
87,925.98x = 121,342.95 × 49,684.53 - Step 4: Simplify right side
87,925.98x = 6,028,867,439.56 - Step 5: Solve for x
x = 6,028,867,439.56/87,925.98 - Step 6: Final answer
x = 68,567.53
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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.