Finding the Fourth Proportional to 124,283.08, 171,513.96 and 67,698.08
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Solution
The fourth proportional to 124,283.08, 171,513.96 and 67,698.08 is: 93,425.15
Step by Step Solution
- Step 1: Write the proportion equation
124,283.08 : 171,513.96 = 67,698.08 : x - Step 2: Convert to fraction form
124,283.08/171,513.96 = 67,698.08/x - Step 3: Cross multiply
124,283.08x = 171,513.96 × 67,698.08 - Step 4: Simplify right side
124,283.08x = 11,611,165,785.20 - Step 5: Solve for x
x = 11,611,165,785.20/124,283.08 - Step 6: Final answer
x = 93,425.15
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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.