Finding the Fourth Proportional to 93,919.74, 129,612.48 and 51,478.26
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Solution
The fourth proportional to 93,919.74, 129,612.48 and 51,478.26 is: 71,041.77
Step by Step Solution
- Step 1: Write the proportion equation
93,919.74 : 129,612.48 = 51,478.26 : x - Step 2: Convert to fraction form
93,919.74/129,612.48 = 51,478.26/x - Step 3: Cross multiply
93,919.74x = 129,612.48 × 51,478.26 - Step 4: Simplify right side
93,919.74x = 6,672,224,944.68 - Step 5: Solve for x
x = 6,672,224,944.68/93,919.74 - Step 6: Final answer
x = 71,041.77
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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.