Finding the Fourth Proportional to 83,341.08, 124,865.84 and 69,390.80
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Solution
The fourth proportional to 83,341.08, 124,865.84 and 69,390.80 is: 103,964.82
Step by Step Solution
- Step 1: Write the proportion equation
83,341.08 : 124,865.84 = 69,390.80 : x - Step 2: Convert to fraction form
83,341.08/124,865.84 = 69,390.80/x - Step 3: Cross multiply
83,341.08x = 124,865.84 × 69,390.80 - Step 4: Simplify right side
83,341.08x = 8,664,540,530.27 - Step 5: Solve for x
x = 8,664,540,530.27/83,341.08 - Step 6: Final answer
x = 103,964.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.