Finding the Fourth Proportional to 83,390.46, 125,098.68 and 27,973.50
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Solution
The fourth proportional to 83,390.46, 125,098.68 and 27,973.50 is: 41,964.61
Step by Step Solution
- Step 1: Write the proportion equation
83,390.46 : 125,098.68 = 27,973.50 : x - Step 2: Convert to fraction form
83,390.46/125,098.68 = 27,973.50/x - Step 3: Cross multiply
83,390.46x = 125,098.68 × 27,973.50 - Step 4: Simplify right side
83,390.46x = 3,499,447,924.98 - Step 5: Solve for x
x = 3,499,447,924.98/83,390.46 - Step 6: Final answer
x = 41,964.61
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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.