Finding the Fourth Proportional to 83,953.80, 125,930.70 and 83,953.80
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Solution
The fourth proportional to 83,953.80, 125,930.70 and 83,953.80 is: 125,930.70
Step by Step Solution
- Step 1: Write the proportion equation
83,953.80 : 125,930.70 = 83,953.80 : x - Step 2: Convert to fraction form
83,953.80/125,930.70 = 83,953.80/x - Step 3: Cross multiply
83,953.80x = 125,930.70 × 83,953.80 - Step 4: Simplify right side
83,953.80x = 10,572,360,801.66 - Step 5: Solve for x
x = 10,572,360,801.66/83,953.80 - Step 6: Final answer
x = 125,930.70
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1.5x scale
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.