Finding the Fourth Proportional to 89,928.95, 124,095.58 and 49,634.08
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Solution
The fourth proportional to 89,928.95, 124,095.58 and 49,634.08 is: 68,491.51
Step by Step Solution
- Step 1: Write the proportion equation
89,928.95 : 124,095.58 = 49,634.08 : x - Step 2: Convert to fraction form
89,928.95/124,095.58 = 49,634.08/x - Step 3: Cross multiply
89,928.95x = 124,095.58 × 49,634.08 - Step 4: Simplify right side
89,928.95x = 6,159,369,511.04 - Step 5: Solve for x
x = 6,159,369,511.04/89,928.95 - Step 6: Final answer
x = 68,491.51
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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.