Finding the Fourth Proportional to 124,529.70, 171,850.14 and 70,814.70
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Solution
The fourth proportional to 124,529.70, 171,850.14 and 70,814.70 is: 97,723.80
Step by Step Solution
- Step 1: Write the proportion equation
124,529.70 : 171,850.14 = 70,814.70 : x - Step 2: Convert to fraction form
124,529.70/171,850.14 = 70,814.70/x - Step 3: Cross multiply
124,529.70x = 171,850.14 × 70,814.70 - Step 4: Simplify right side
124,529.70x = 12,169,516,109.06 - Step 5: Solve for x
x = 12,169,516,109.06/124,529.70 - Step 6: Final answer
x = 97,723.80
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1.5x scale
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.